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Salesforce CRT-450 Sample Questions
Question # 1
A company decides to implement a new process where every time an Opportunity iscreated, a follow up Task should be created and assigned to the Opportunity Owner.What is the most efficient way for a developer to implement this?
A. Auto-launched flow on Task B. Apex trigger on Task C. Task actions D. Record-trigger flow on Opportunity
Answer: D
Explanation:
A record-trigger flow on Opportunity is the most efficient way for a developer to implement
this requirement, because it allows the developer to automate the creation and assignment
of a Task without writing any code. A record-trigger flow can be configured to run when a
record is created, updated, or deleted, and it can access and update related records using
flow elements1. A record-trigger flow on Opportunity can also use the $Record global
variable to access the Opportunity Owner and assign the Task to them2.
An auto-launched flow on Task is not an efficient way to implement this requirement,
because it requires the developer to manually invoke the flow from another process, such
as a trigger or a button3. An auto-launched flow on Task cannot access the Opportunity
record or its Owner without a lookup element, which adds complexity and reduces
performance.
An Apex trigger on Task is not an efficient way to implement this requirement, because it
requires the developer to write and maintain code, which is more prone to errors and
harder to debug than a flow. An Apex trigger on Task also cannot access the Opportunity
record or its Owner without a SOQL query, which consumes governor limits and increases
the risk of hitting the 101 SOQL limit.
A Task action is not an efficient way to implement this requirement, because it requires the user to manually create and assign the Task from the Opportunity record page. A Task
action does not automate the process, and it relies on the user to remember and follow the
business rule. References:
1: Automate Your Business Processes with Record-Triggered Flows
2: Use the $Record Global Variable in Record-Triggered Flows
3: Automate Your Business Processes with Scheduled and Platform
Event–Triggered Flows
: Access and Update Related Records in Flows
: Apex Triggers
: Apex Governor Limits
: Create Actions for the Action Bar
Question # 2
A developer creates a custom exception as shown below:public class ParityException extends Exception {}What are two ways the developer can fire the exception in Apex?Choose 2 answers
A. new ParityException();: B. throw new ParityException("parity does not match"); C. new ParityException('parity does not match'); D. throw new ParityException();
Answer: B,D
Explanation:
To use a custom exception, you can create an instance of the custom exception class and
use the throw keyword to throw the exception. You can also optionally provide a custom
error message or a chained exception cause as arguments to the custom exception
constructor. The syntax for throwing a custom exception is:
throw new CustomException(optional_message, optional_cause);
Therefore, the options B and D are valid ways to fire the custom exception in Apex. The
options A and C are invalid because they only create an instance of the custom exception
class, but do not throw it. Also, the option C uses single quotes instead of double quotes for
the error message, which is not allowed in Apex. References: You can find more
information about custom exceptions in the Apex Developer Guide and the Apex Reference
Guide on Salesforce’s official website. You can also read this blog post for a tutorial on
creating and using custom exceptions.
Question # 3
A Developer Edition org has five existing accounts. A developer wants to add 10 moreaccounts for testing purposes.The following code is executed in the Developer Console using the Execute Anonymouswindow:
How many total accounts will be in the org after this code is executed?
A. 5 B. 6 C. 10 D. 15
Answer: D
Explanation:
The code snippet provided in the image is a Salesforce Apex code that is used to create
new accounts in a Salesforce org. Initially, there are five existing accounts. In the provided
Apex code, one account named ‘MyAccount’ is created and inserted into the org, making the total six accounts. Then, a loop is executed to create and add ten more new accounts
(named ‘New Account 1’ to ‘New Account 10’) into the org using a do-while loop that runs
while x is less than 10 (starting from x=1). So, after executing this code, there will be an
additional eleven accounts added to the initial five accounts making it a total of fifteen (5
initial + 11 new = 16) accounts in the org. References: The explanation can be
corroborated with knowledge of Apex programming on Salesforce’s official learning
platform Trailhead and related documentation.
[Apex Basics for Admins]
[Apex Developer Guide]
[Developer Console]
Question # 4
Universal Containers has a Visualforce page that displays a table of every Container__cbeing rented by a given Account. Recently thispage is failing with a view state limit because some of the customers rent over 10,000containers.What should a developer change about the Visualforce page to help with the page loaderrors?
A. Use JavaScript remotlng with SOQL Offset. B. Implement pagination with a StandardSetController. C. Implement pagination with an OffaetController. D. Use lazy loading and a transient List variable.
Answer: B
Explanation:
The view state limit is the maximum size of the serialized version of the page state that can
be transferred between the server and the client. The view state includes the components,
field values, and controller state of the page. To reduce the view state size, a developer
can use a StandardSetController, which allows the developer to create pagination for a set
of records without having to manually manage the query and the results. A
StandardSetController can handle up to 10,000 records, and only the records that are
displayed on the current page are included in the view state. This way, the developer can
avoid querying and storing all the records in a list variable, which would increase the view
state size and potentially cause errors. References:
Visualforce Developer Guide: Working with Very Large SOQL Queries
Trailhead: Visualforce Basics
Question # 5
Which exception type cannot be caught?
A. Option A B. Option B C. Option C D. Option D
Answer: A
Explanation: The exception type that cannot be caught is the LimitException. This
exception is thrown when some governor limit is exceeded (like SOQL query limits, number
of records that can be processed in a transaction, etc.). Salesforce doesn’t allow
developers to catch LimitException in order to maintain the multi-tenant environment and
ensure that no single tenant consumes excessive resources. References: Exception Class
and Built-In Exceptions, Free Salesforce Platform Developer 1 Practice Exam (With
Answers), SALESFORCE CERTIFIED PLATFORM DEVELOPER I
Question # 6
As part of new feature development, a developer is asked to build a responsive applicationcapable of responding to touch events, that will be executed on stateful clients.Which two technologies are built on a framework that fully supports the businessrequirement? Choose 2 answers
A. Aura Components B. Vlsualforce Components C. Lightning Web Components D. Visualforce Pages
Answer: A,C
Explanation:
Aura Components and Lightning Web Components are two technologies that are built on a
framework that fully supports the business requirement of building a responsive application
capable of responding to touch events, that will be executed on stateful clients. Both
technologies are part of the Lightning Component Framework, which is a modern UI
framework for developing dynamic web apps for mobile and desktop devices. The
Lightning Component Framework uses standard web technologies, such as HTML, CSS,
JavaScript, and Web Components, to create reusable and interoperable components that
can adapt to different screen sizes, devices, and orientations. The framework also provides
features such as data binding, event handling, state management, and server-side
integration, to enable developers to create rich and interactive user interfaces.
Aura Components are the original technology for creating Lightning components. They use
a custom XML-based markup language, Aura, to define the component structure and
behavior. Aura Components can respond to touch events using the ui:input component,
which provides a generic input element that can handle different input types, such as text,
number, date, checkbox, radio, toggle, and email. The ui:input component also supports
touch gestures, such as swipe, tap, and pinch, by using the ontouchstart, ontouchend,
ontouchmove, and ontouchcancel attributes. Aura Components are stateful, meaning that
they maintain their state on the client-side and communicate with the server only when
necessary. This reduces the network traffic and improves the performance and user
experience.
Lightning Web Components are the newer technology for creating Lightning components.
They use standard HTML, CSS, and JavaScript to define the component structure and
behavior. Lightning Web Components can respond to touch events using the standard
HTML input element, which provides a native input element that can handle different input
types, such as text, number, date, checkbox, radio, toggle, and email. The input element
also supports touch gestures, such as swipe, tap, and pinch, by using the standard touch
event listeners, such as touchstart, touchend, touchmove, and touchcancel. Lightning Web
Components are also stateful, meaning that they maintain their state on the client-side and
communicate with the server only when necessary. This reduces the network traffic and improves the performance and user experience.
Visualforce Components and Visualforce Pages are two technologies that are not built on a
framework that fully supports the business requirement of building a responsive application
capable of responding to touch events, that will be executed on stateful clients. Visualforce
Components are reusable UI elements that can be used in Visualforce Pages. Visualforce
Pages are web pages that can display and interact with Salesforce data and logic.
Visualforce Components and Pages use a custom XML-based markup language,
Visualforce, to define the UI elements and behavior. Visualforce Components and Pages
can be made responsive by using the Salesforce Lightning Design System (SLDS), which
is a collection of design guidelines, components, and resources that enable developers to
create consistent and beautiful user interfaces across devices. However, Visualforce
Components and Pages do not have native support for touch events, and require custom
JavaScript code to handle them. Visualforce Components and Pages are also stateless,
meaning that they do not maintain their state on the client-side and communicate with the
server on every request. This increases the network traffic and affects the performance and
user experience.
References:
Lightning Component Framework
Aura Components Developer Guide
Lightning Web Components Developer Guide
Visualforce Developer Guide
Salesforce Lightning Design System
Question # 7
Universal Hiring uses Salesforce to capture job applications. A salesforce administratorcreated two custom objects; Job__c acting as the maste object, Job _Application__c actingas the detail.Within the Job ___c object, a custom multi-select picklist, preferred Locations __c, containsa list of approved states for the position. EachJob_Application__c record relates to a Contact within the system through a master-detailrelationship.Recruiters have requested the ability to view whether the Contact's Mailing State valuematches a value selected on the Preferred_Locations__c field,within the Job_Application__c record. Recruiters would like this value to be kept in sync ifchanges occur to the Contact's Mailing State.What is the recommended tool a developer should use to meet the business requirement
A. Roll-up summary field B. Apex trigger C. Formula field D. Record-triggered flow
Answer: D
Explanation:
A record-triggered flow is a type of flow that runs when a record is created or updated1. It
can perform actions such as updating fields, creating records, sending emails, and calling
Apex classes2. A record-triggered flow is the recommended tool for this scenario because
it can compare the Contact’s Mailing State with the Job’s Preferred Locations, and update
a custom field on the Job Application object accordingly. It can also handle changes to the
Contact’s Mailing State and keep the Job Application field in sync3. References:
1: Record-Triggered Flows | Salesforce Help
2: What You Can Do with Record-Triggered Flows | Salesforce Help
3: Universal Hiring is using Salesforce to capture job applications. A … |
Salesforce Quiz
Question # 8
What can be easily developed using the Lightning Component framework?
A. Customized JavaScript buttons B. Salesforce Classic user Interface pages C. Lightning Pages D. Salesforce integrations
Answer: C
Question # 9
Which two characteristics are true for Lightning Web Component custom events?Choose 2 answers
A. Data may be passed In the payload of a custom event using a wire decoratedproperties. B. By default a custom event only propagates to its immediate container and to itsimmediate child component. C. By default a custom event only propagates to it's immediate container. D. Data may be passed in the payload of a custom event using a property called detail.
Answer: C,D
Explanation: The correct answer is C and D because they are the characteristics of
Lightning Web Component custom events as described in the Salesforce documentation1.
A custom event is an event that a component fires to communicate data to other
components. By default, a custom event only propagates to its immediate container, which
is the component that created it or the component that hosts the component that created it.
To propagate the event beyond the immediate container, the component that fires the
event must set the composed property of the event to true. A custom event can pass data
to other components in the payload using a property called detail, which can be any
JavaScript object. The other options are incorrect because they are not true for Lightning
Web Component custom events. Option A is incorrect because a wire decorated property
is a property that is automatically updated with data from a Salesforce org or an Apex
method. It is not related to custom events. Option B is incorrect because a custom event
does not propagate to its immediate child component by default, unless the child component is the one that fires the event or the event is composed. References:
Communicate with Events
Trailhead: Communicate Between Components
Trailhead: Lightning Web Components Basics
Question # 10
A developer is designing a new application on the Salesforce platform and wants to ensureit can support multiple tenants effectively.Which design framework should the developer consider to ensure scalability andmaintainability?
A. Flux (view, action, dispatcher, and store) B. Waterfall Model C. Agile Development D. Model-View-Controller (MVC)
Answer: D
Explanation:
The correct answer is D because the Model-View-Controller (MVC) design framework is a
best practice for developing scalable and maintainable applications on the Salesforce
platform. The MVC framework separates the application logic into three layers: the model,
which represents the data and business logic; the view, which displays the user interface
and user interactions; and the controller, which mediates the communication between the
model and the view. By using the MVC framework, developers can modularize their code,
reuse components, and avoid tight coupling between layers. The other options are
incorrect because they are not design frameworks, but rather development methodologies
or architectures. Flux is an architecture for building user interfaces with React, a JavaScript
library. Waterfall and Agile are methodologies for managing software development projects,
with different approaches to planning, testing, and delivering software. References:
Apex Developer Guide: MVC Architecture
Trailhead: Apex Basics for .NET Developers
Trailhead: Platform Developer I Certification Study Guide
Question # 11
How is a controller and extension specified for a custom object named "Notice" on aVisualforce page?A.
A. Option A B. Option B C. Option C D. Option D
Answer: C
Explanation:
In Salesforce, a controller and extension for a custom object on a Visualforce page can be
specified using the <apex:page> tag. The standardController attribute is used to associate
the page with a standard or custom object, and the extensions attribute is used to specify
an Apex class that extends the functionality of the standard or custom controller. The code
snippet in option C, <apex:page standardController="Notice"
extensions="myControllerExtension">, correctly demonstrates this by associating the
Visualforce page with a custom object named “Notice” and specifying an extension named
“myControllerExtension”. References: You can find more information about controllers and
extensions in the Visualforce Developer Guide and the [Apex Developer Guide] on
Salesforce’s official website.
Question # 12
Universal Containers wants to automatically assign new cases to the appropriate supportrepresentative based on the case origin. They have created a custom field on the Caseobject to store the support representative name.What is the best solution to assign the case to the appropriate support representative?
A. Use a trigger an the Case object. B. Use a formula field on the case object. C. Use a validation rule on the Case object. D. Use an Assignment Flow element.
Answer: D
Explanation: An Assignment Flow element is a logic element that allows you to set values
in variables, collection variables, record variables, record collection variables, and global
variables1. You can use an Assignment Flow element to assign the support representative
name to the custom field on the Case object based on the case origin. This way, you can
automate the case assignment process without writing any code or using any formula. A
trigger, a formula field, and a validation rule are not the best solutions for this scenario, as
they either require code, are not dynamic, or do not change the field value. References: 1:
Flow Element: Assignment - Salesforce
Question # 13
What are two considerations for deploying from a sandbox to production?Choose 2 answers
A. Should deploy during business hours to ensure feedback can be Quickly addressed B. All triggers must have at least one line of test coverage. C. At least 75% of Aptx code must be covered by unit tests. D. Unit tests must have calls to the System.assert method.
Answer: C,D
Explanation: The correct answers are C and D because they are the minimum
requirements for deploying Apex code from a sandbox to production. According to the
Salesforce documentation1, “To deploy Apex or package it for the AppExchange, at least
75% of your Apex code must be covered by unit tests, and all of those tests must complete
successfully.” Additionally, “Every test method must use the System.assert methods to
verify that the expected behavior occurs.” The other options are incorrect because they are
not mandatory for deployment, but rather best practices or recommendations. Deploying
during business hours may not be feasible or desirable for some organizations, depending
on their availability and change management processes. Having at least one line of test coverage for each trigger is not enough to ensure code quality and functionality, and may
not meet the 75% code coverage requirement. References:
Apex Testing
Deploy Apex
Trailhead: Apex Testing
Question # 14
Universal Containers wants to ensure that all new leads created in the system have a validemail address. They have already created a validation rule to enforce this requirement, butwant to add an additional layer of validation using automation.What would be the best solution for this requirement?
A. Submit a REST API Callojt with a JSON payload and validate the f elds on a third pattysystem B. Use an Approval Process to enforce tne completion of a valid email address using anoutbound message action. C. Use a before-save Apex trigger on the Lead object to validate the email address anddisplay an error message If it Is invalid D. Use a custom Lightning web component to make a callout to validate the fields on athird party system.
Answer: C
Explanation: A before-save Apex trigger on the Lead object can validate the email
address using regular expressions or other logic and display an error message if it is
invalid. This solution is efficient, scalable, and does not require any external dependencies
or user intervention. References:
[Apex Triggers]: Learn how to write Apex triggers to perform custom actions before
or after changes to Salesforce records.
[Validation Rules]: Learn how to use validation rules to check the accuracy of data
before it’s saved to your database.
[Approval Processes]: Learn how to automate the approval of records in
Salesforce. [Lightning Web Components]: Learn how to build fast and reusable web
components on the Lightning Platform.
Question # 15
A Next Best Action strategy uses an Enhance element that invokes an Apex method todetermine a discount level for a Contact, based on anumber of factors.What is the correct definition of the Apex method?
A. Option A B. Option B C. Option C D. Option D
Answer: C
Explanation:
The correct definition of the Apex method is shown in option C. This Apex method is
defined as an invocable method, meaning it can be called from a process or flow. It’s
marked with the @InvocableMethod annotation. The method returns a list of lists of
recommendations and takes a list of ContactWrapper objects as input, which allows for
Logic and Process Automation, Weight: 46%, Objective: Describe how to use
declarative and programmatic methods to create custom user interfaces on the
Lightning Platform.
[Call Apex Methods from Lightning Web Components], Trailhead Module, Unit:
Call Apex Methods Imperatively
[SOQL and SOSL Queries], Salesforce Developer Guide, Chapter: SOQL and
SOSL Reference
Question # 16
Which three resources in an Aura component can contain JavaScript functions? Choose 3answers
A. Renclerer B. Style C. Helper D. Controller E. Design
Answer: C,D,E
Explanation: A helper is a JavaScript resource that contains functions that can be reused
by the component’s controller or other helpers. A controller is a JavaScript resource that
contains functions that handle user interactions and events in the component. A renderer is
a JavaScript resource that overrides the default rendering behavior of the component.
A style is a CSS resource that defines the appearance of the component. A design is an
XML resource that specifies the design-time attributes for the
component. References: Using JavaScript, Using External JavaScript Libraries In Aura
Component, Expression Functions Reference
Question # 17
Given the following Apex statement:
What occurs when more than one Account is returned by the SOQL query?
A. The query falls and an error Is written to the debug log. B. The variable, nvAccount, Is automatically cast to the List data type. C. The first Account returned Is assigned to myAccour.t. D. An unhandled exception is thrown and the code terminates.
Answer: D
Explanation: To create a form that will create a record for a custom object, the developer
can use a Dynamic Form, which is a Lightning App Builder component that allows you to
customize the fields and sections of a record page layout1. A Dynamic Form can also use
visibility rules to display different fields based on the user’s profile, role, or other
criteria2. To add the functionality to the Account record page, the developer can use a
Dynamic Action, which is a way to configure actions on a record page without code3. A
Dynamic Action can also use visibility rules to show or hide actions based on the user’s
profile, role, or other criteria4. To restrict the functionality to a small group of users, the
developer can create a Custom Permission, which is a way to grant access to custom
processes or apps5. A Custom Permission can be assigned to a permission set or a profile,
and then assigned to the users who need it. References:
Dynamic Forms | Salesforce Trailhead
Visibility Rules for Dynamic Forms | Salesforce Help
Dynamic Actions | Salesforce Trailhead Visibility Rules for Dynamic Actions | Salesforce Help
Custom Permissions | Salesforce Trailhead
[Assign Custom Permissions | Salesforce Help]
In Apex, if a SOQL query returns more than one row and the result is assigned to a single
sObject variable, an exception will be thrown. This is because a single sObject variable can
only hold one record. In this case, since myAccount is declared as a single Account object,
it cannot hold more than one record. If the SOQL query returns more than one Account, an
unhandled exception occurs, and the code terminates. References: The behavior can be
understood from the Apex Developer Guide under the section of SOQL Queries
Question # 18
Which code displays the contents of a Visualforce page as a PDF?
A. <apenipage contentType="pdf"> B. <apex:page contentType=“application/pd£f"> C. <apexipage renderAs="pdf"> D. <apex:page renderAs="application/pdf">
Answer: C
Explanation:
You can render any page as a PDF by adding the renderAs attribute to
the <apex:page> component, and specifying "pdf" as the rendering service1. For
example: <apex:page renderAs="pdf">. You can also use
the PageReference.getContentAsPDF() method in Apex to render a Visualforce page as
PDF data, and then use Apex code to convert that PDF data to an email attachment, a
document, a Chatter post, and so on2. References:
1: Render a Visualforce Page as a PDF File | Visualforce Developer Guide |
Salesforce Developers
2: Render a Visualforce Page as PDF from Apex | Visualforce Developer Guide |
Salesforce Developers
Question # 19
Which code in a Visualforce page and/or controller might present a security vulnerability?
A. <apex:outputfield value="(!ctrl.userinput)" rendered="(!isfditable}" /> B. <apex:outputText escape="false" value="{!sCurrentPage.parameters.userInput}™ /> C. <apex:outputField value="{'ctrl.userInput}" /> D. <apex:outputText value="{!SCurrentPage.parameters.useriInput}" />
Answer: B
Explanation:
This code is vulnerable to a cross-site scripting (XSS) attack, because it takes usersupplied
input and outputs it directly back to the user without escaping the XSS-vulnerable
characters, such as <, >, ", ', and &. By setting the escape attribute to false, the developer
disables the anti-XSS filter that is enabled by default for most Visualforce tags. An attacker
can exploit this vulnerability by injecting malicious HTML or JavaScript code into the
userInput parameter, which can then execute on the user’s browser and compromise their
security or privacy. References:
Cross Site Scripting (XSS)
Security Tips for Apex and Visualforce Development
Security Guidelines for Apex and Visualforce Development
Question # 20
In terms of the MVC paradigm, what are two advantages of implementing the view layer ofa Salesforce application using Lightning Web Component-based development overVisualforce?Choose 2 answers
A. Log capturing via the Debug Logs Setup page B. Built-in standard and custom set controllers C. Self-contained and reusable units of an application D. Rich component ecosystem
Answer: C,D
Explanation:
The correct answers are option C and option D. Lightning Web Components are selfcontained
and reusable units of an application that follow web standards and can leverage
modern web features. They also benefit from a rich component ecosystem that includes
standard components, custom components, and third-party components. Visualforce, on
the other hand, is a legacy framework that relies on server-side rendering and proprietary
markup. It does not offer the same level of modularity, performance, and interoperability as
Lightning Web Components. References: The information can be referenced from the
official Salesforce documentation and learning materials available on Trailhead.
Specifically, it aligns with the objectives outlined in Lightning Web Components Basics,
where the benefits and features of Lightning Web Components are discussed. Lightning
Web Components Basics
Question # 21
A developer is asked to write helper methods that create test data for unit tests.
What should be changed in the Testvtils class so that its methods are only usable by unittest methods?
A. Change public to private on line 01. B. Add @IsTest above line 03, C. Add @IsTest above line 01. D. Remove static from line 03.
Answer: C
Explanation:
By adding the @IsTest annotation above the class definition (line 01), it indicates that this
class is a test class, and therefore, can only be used by other test classes. This ensures
that the helper methods within are only accessible to unit tests, aligning with the best
practices of encapsulation and modularity in Apex code. References: The related
information can be found in the Apex Testing module on Trailhead ([Apex
2: Get Started with Apex Triggers Unit | Salesforce Trailhead
Question # 23
What are two characteristics related to formulas?Choose 2 answers
A. Formulas are calculated at runtime and are not stored in the database B. Fields that are used in a formula field can be deleted or edited wlthojt editing the formjta. C. formulas can reference themselves. D. Formulas can reference vaues m reiatea objects.
Answer: A,D
Explanation:
Formulas are expressions that are used to calculate and display values based on the data
in your records. Formulas can be used in various contexts, such as formula fields,
validation rules, workflow rules, and so on. Some of the characteristics related to formulas
are:
Formulas are calculated at runtime and are not stored in the database. This means
that every time a record is viewed or a report is run, the formula is evaluated
based on the current data in the record. This ensures that the formula results are
always up to date and accurate1.
Formulas can reference values in related objects. This means that you can use
formulas to access data from parent or child objects, or even from objects that are
indirectly related via lookup or master-detail relationships. For example, you can
use a formula field on the Opportunity object to display the account owner’s name
by referencing the Owner.Name field on the Account object2.
Formulas cannot reference themselves. This means that you cannot use a formula
field or variable as part of its own definition. For example, you cannot create a
formula field called Total Amount that adds itself to another field. This would create
a circular reference and cause an error3.
Fields that are used in a formula field cannot be deleted or edited without editing
the formula. This means that if you want to delete or change a field that is
referenced by a formula field, you have to modify the formula field first to remove
or update the reference. Otherwise, the formula field will become invalid and
display an error. References: 1: Formula Operators and Functions by Context -
for Working with Formulas - Salesforce Help (5) : Considerations for Deleting
Fields - Salesforce Help (6)
Question # 24
A developer created a trigger on the Account object. While testing the trigger, thedeveloper sees the error message 'Maximum trigger depthexceeded’,What could be the possible causes?
A. The developer does not have the correct user permission. B. The trigger is getting executed multiple times. C. The trigger is a a helper class. D. The trigger does not have sufficient code coverage.
Answer: B
Explanation:
The correct answer is that the trigger is getting executed multiple times. This error
message indicates that the trigger has exceeded the maximum number of recursions
allowed by Salesforce, which is 16. This can happen when the trigger causes an update on
the same object or a related object, which in turn fires the trigger again, creating an infinite
loop. To avoid this, the developer should use a static variable to control the trigger
execution and prevent it from running more than once in the same transaction. References
: Apex Developer Guide, Trailhead
Question # 25
While developing an Apex class with custom search functionality that will be launched froma Lightning Web Component, how can the developer ensure only records accessible to thecurrently logged in user are displayed?A.
A. Option A B. Option B C. Option C D. Option D
Answer: B
Explanation: The correct answer is to use the with sharing keyword in the Apex class. This
keyword enforces the sharing rules that apply to the current user. This means that the Apex
code respects the user’s permissions, field-level security, and sharing rules when querying
or modifying records. This ensures that only records accessible to the currently logged in
user are displayed. References: Apex Developer Guide
Question # 26
A developer is tasked with building a custom Lightning web component to collect Contactinformation.The form will be shared among many different types of users in the org. There are securityrequirements that only certain fields should be edited and viewed by certain groups ofusers.What should the developer use in their Lightning Web Component to support the securityrequirements?
A. force-input-field B. ui-input-field C. aura-input-field D. lightning-input-field
Answer: D
Explanation:
The developer should use the lightning-input-field component to support the security
requirements. This component respects the field-level security and sharing settings of the
Salesforce org, and displays the appropriate data to different types of users. The other
components do not have this feature, and may expose sensitive data to unauthorized
users. References: Lightning Web Components Developer Guide), Secure Coding Guide)
Question # 27
A developer deployed a trigger to update the status__c of Assets related to an Accountwhen the Account’'s status changes and a nightly integration that updates Accounts in bulkhas started to fail with limit failures.
What should the developer change about the code to address the failure while still havingthe code update all of the Assets correctly?
A. Change the gerAssetsToUpdac= method to process all Accounts in one call and call itoutside of the for loop that starts on line 03. B. Add a LIMIT clause to the SOQL query on line 16 to limit the number of Assets queriedfor an Account. C. Move all of the logic to a Queueable class that queries for and updates the Assets andcall it from the trigger. D. Add List<Asset> assets = [SELECT Id, Status__c FROM Asset WHERE AccountId =:acctId] to line 14 and iterate over the assets list in the for loop on line 15.
Answer: C
Explanation:
The correct answer is to move all of the logic to a Queueable class that queries for and
updates the Assets and call it from the trigger. This is because when dealing with bulk data,
triggers can often hit governor limits. By utilizing a Queueable class, the developer can
perform asynchronous processing which helps in handling more records and avoiding
hitting governor limits. References: The Salesforce Platform Developer I Learning
documents emphasize on understanding the governor limits and how to write efficient code
that can handle bulk data without hitting these limits. Asynchronous processing like Batch
Apex, Future methods, or Queueable Apex is often recommended for bulk data handling.
You can find more information on these topics in the following links: Apex Developer Guide, Trailhead
Question # 28
A company has a custom object, Order__c, that has a required, unique external ID fieldcalled OrderNumber__c.Which statement should be used to perform the DML necessary to insert new records andupdate existing records in a list of order__c recordsusing the external ID field?
A. Option A B. Option B C. Option C D. Option D
Answer: C
Explanation:
The correct answer is option C, which is the upsert statement. In Salesforce, when you
have a custom object and want to insert new records and update existing ones using an
external ID field, you use the upsert DML operation. The upsert statement either inserts or
updates sObject records based on the value of a specified unique external ID
field. References: The information can be referenced from the official Salesforce
documentation and learning materials available on Trailhead. Specifically, it aligns with the objectives outlined in data modeling and management, as well as Apex programming
basics where DML operations are discussed. Salesforce DML Operations
Question # 29
Consider the following code snippet for a Visualforce page that is launched using a CustomButton on the Account detail page layout.
When the Save button is pressed the developer must perform a complex validation thatinvolves multiple objects and, upon success, redirect the user toanother Visualforce page.What can the developer use to meet this business requirement?
A. Custom controller B. Controller extension C. Validation rule D. Apex trigger
Answer: A
Explanation:
A custom controller is an Apex class that uses the default, no-argument constructor for the
outer, top-level class. You cannot create a custom controller constructor that includes
parameters. A custom controller is needed to perform complex validation that involves
multiple objects and then redirect the user to another Visualforce page upon success. A
custom controller can override the standard actions of a standard controller, such as save,
edit, view, or delete, and define new actions. A custom controller runs in system mode, so
the user’s permissions and field-level security do not apply. References: You can find more
information about custom controllers in the Visualforce Developer Guide and the Apex
Developer Guide on Salesforce’s official website.
Question # 30
Managers at Universal Containers want to ensure that only decommissioned containers areable to be deleted in the system. To meet the business requirement a Salesforce developeradds "Decommissioned" as ipicklist value for the Statu3__c custom field within theContainer__c object.Which two approaches could a developer use to enforce only Container records with astatus of "Decommissioned" can be deleted?Choose 2 answers
A. Validation rule B. After record-triggered flow C. Apex trigger D. Before record-triggered flow
Answer: A,C
Explanation:
A validation rule is a declarative way to enforce data quality and business logic on the
records. A validation rule can prevent a record from being deleted if it does not meet
certain criteria, such as having a specific field value. For example, a validation rule on the
Container__c object could be:
NOT(ISPICKVAL(Status__c, “Decommissioned”))
This validation rule would prevent any Container record from being deleted unless its
Status__c field is “Decommissioned”.
An Apex trigger is a programmatic way to execute custom logic before or after a record is
inserted, updated, deleted, or undeleted. An Apex trigger can also prevent a record from
being deleted by using the SObject.addError() method, which displays an error message
and rolls back the transaction. For example, an Apex trigger on the Container__c object could be:
trigger ContainerTrigger on Container__c (before delete) { for (Container__c c : Trigger.old)
{ if (c.Status__c != ‘Decommissioned’) { c.addError(‘You can only delete decommissioned
containers.’); } } }
This trigger would iterate over the records that are being deleted and check their Status__c
field. If the field is not “Decommissioned”, it would add an error to the record and prevent
the deletion.
B. After record-triggered flow and D. Before record-triggered flow are not correct answers
because record-triggered flows cannot prevent records from being deleted. Recordtriggered
flows are a declarative way to automate business processes and execute actions
when a record is created, updated, or deleted. However, record-triggered flows do not have
the ability to display custom error messages or roll back transactions. Therefore, they
cannot be used to enforce the business requirement of only allowing decommissioned
containers to be deleted. References: Validation Rules, Apex Triggers, Record-Triggered
Flows
Question # 31
A developer created this Apex trigger that calls Myclass.myStaticMethod:
The developer creates a test class with a test method that calls MyClass.myStaticMethod directly, resulting in 81% overall code coverage.What happens when the developer tries to deploy the trigger and two classes toproduction, assuming no other code exists?
A. The deployment passes because both classes and the trigger were included in thedeployment. B. The deployment fails because no assertions were made in the test method. C. The deployment passes because the Apex code has the required >75% code coverage. D. The deployment fails because the Apex trigger has no code coverage.
Answer: C
Explanation:
The deployment will pass because the Apex code has the required >75% code coverage.
In Salesforce, one of the prerequisites for deployment is that the Apex code must have at
least 75% test coverage. This means that at least 75% of your Apex script must be
executed by your test classes. Since in this case, the overall code coverage is 81%, it
exceeds the minimum requirement, allowing for successful deployment. However, it is not a
best practice to rely on indirect code coverage from other classes or triggers. The
developer should write a separate test class for the trigger that covers all the possible
scenarios and outcomes. Additionally, the test method should include assertions to verify
the expected behavior and results of the code. References:
Apex Developer Guide)
Testing Apex - Trailhead)
Free Salesforce Platform Developer 1 Practice Exam (With Answers))
Question # 32
What are two benefits of using declarative customizations over code?Choose 2 answers
A. Declarative customizations automatically update with each Salesforce release. B. Declarative customizations generally require less maintenance. C. Declarative customizations automatically generate test classes. D. Declarative customizations cannot generate run time errors.
Answer: A,B
Explanation:
Declarative customizations are the ones that can be done using the point-and-click tools
provided by Salesforce, such as Process Builder, Flow Builder, Lightning App Builder, etc.
Code customizations are the ones that require writing Apex, Visualforce, or Lightning Web
Components. Some of the benefits of using declarative customizations over code are:
Declarative customizations automatically update with each Salesforce
release. This means that whenever Salesforce improves or adds a new feature to
its declarative tools, the existing customizations will be compatible and take
advantage of the enhancement without any additional effort from the developer1.
Declarative customizations generally require less maintenance. This is because
declarative customizations are easier to create, modify, and debug than code
customizations. They also do not require writing test classes or deploying to
different environments, which can save time and resources2.
The other two options are not true benefits of declarative customizations over code:
Declarative customizations do not automatically generate test classes. Test
classes are only required for code customizations, and they have to be written
manually by the developer. Test classes are used to ensure the quality and
functionality of the code, and to meet the code coverage requirement for
deployment3.
Declarative customizations can still generate run time errors. Run time errors are
the ones that occur when the application is running, and they can be caused by
various factors, such as invalid data, logic errors, or system limits. Declarative
customizations are not immune to run time errors, and they have to be handled
properly by the developer using error handling techniques.
References:
Clicks Not Code: Benefits of Declarative Vs. Imperative Programming - Salesforce)
When to Click Instead of Write Code - Salesforce Developers)
Apex Testing - Salesforce Developers)
Error Handling in Flows - Salesforce Help)
Question # 33
A developer identifies the following triggers on the Expense __c object:The triggers process before delete, before insert, and before update events respectively.Which two techniques should the developer implement to ensure trigger best practices arefollowed?
Choose 2 answers
A. Create helper classes to execute the appropriate logic when a record is saved. B. Unify the before insert and before update triggers and use Flow for the delete action. C. Unify all three triggers in a single trigger on the Expense__c object that includes allevents. D. Maintain all three triggers on the Expense__c object, but move the Apex logic out of thetrigger definition.
Answer: A,D
Explanation:
According to the Salesforce Platform Developer I learning objectives and documents, best
practices for triggers include modularizing code by using helper classes and ensuring that the trigger only contains logic to determine which records to process. The actual
processing should be done in a separate class. This makes the code more organized,
reusable, and easier to test. So options A and D are correct.
Option A suggests creating helper classes to execute the appropriate logic when a
record is saved, aligning with best practices of modularizing code.
Option D suggests maintaining all three triggers but moving the Apex logic out of
the trigger definition, which also aligns with best practices.
Option B is incorrect because unifying before insert and before update triggers and using
Flow for delete action is not a standard practice mentioned in the learning materials.
Option C is incorrect because although it’s often a good practice to have one trigger per
object, it’s not about including all events but about organizing code execution properly.
References:
Apex Developer Guide
Trailhead: Apex Basics for Admins
Question # 34
A developer created a Visualforce page and custom controller to display the account typefield as shown below.Custom controller code:
The value of the account type field is not being displayed correctly on the page. Assumingthe custom controller is properly referenced on the Visualforce page, what should the developer do to correct the problem?
A. Convert theAcccunt, type to a String. B. Change theAccount attribute to public. C. Add with sharing to the custom controller. D. Add a getter method for the actType attribute.
Answer: D
Explanation:
The issue is that the value of the account type field is not being displayed correctly on the
Visualforce page. This can be resolved by adding a getter method for the actType attribute
in the custom controller. A getter method is used to retrieve the value of a private variable,
ensuring that it’s read-only and cannot be modified by external classes or pages, thus
maintaining encapsulation and security. References: The need for getter methods and their
usage can be referenced in Apex basics where encapsulation, getters, and setters are
discussed: Apex Basics & Database
Question # 35
A developer needs to make a custom Lightning Web Component available in theSalesforce Classic user interface.Which approach can be used to accomplish this?
A. Wrap the Lightning Web Component In an Aura Component and surface the AuraComponent as a Visualforce tab. B. Embed the Lightning Web Component is a Visualforce Component and add directly tothe page layout. C. Use the Lightning Out JavaScript library to embed the Lightning Web Component in aVisualforce page and add to the page layout. D. Use a Visualforce page with a custom controller to invoke the Lightning WebComponent using a call to an Apex method.
Answer: C
Explanation:
The approach that can be used to make a custom Lightning Web Component available in
the Salesforce Classic user interface is to use the Lightning Out JavaScript library to
embed the Lightning Web Component in a Visualforce page and add to the page layout.
Lightning Out is a feature that allows developers to use Lightning web components and
Aura components outside the Lightning Experience and Salesforce app, such as in
Visualforce pages, standalone apps, or external websites. By using Lightning Out,
developers can leverage the benefits of Lightning Web Components, such as performance,
interoperability, and modern web standards, in the Salesforce Classic user interface. To
use Lightning Out, developers need to create a Lightning dependency app, which is a
special type of Aura app that acts as a bridge between the Lightning web component and
the Visualforce page. Then, developers need to use the $Lightning.use() and
$Lightning.createComponent() methods in the Visualforce page to load the dependency
app and create an instance of the Lightning web component. Finally, developers need to
add the Visualforce page to the page layout of the object where they want to display the
Lightning web component. References: Use Lightning Web Components in Visualforce
A developer needs to prevent the creation of Request__c records when certain coVraitionsexist in the system. A RequeatLogic class exists that checks the conditions.What is the correct implementation?
A. Option A B. Option B C. Option C D. Option D
Answer: D
Explanation:
The correct implementation is option D, where the trigger is set to execute before the
insertion of a Request__c record. It calls the validateRecords method from the
RequestLogic class to check if certain conditions are met before allowing the creation of a
new record. This ensures that validation occurs prior to record insertion, preventing the
creation of records that do not meet specified conditions. References: The explanation can
be inferred from knowledge on triggers and their execution context as per Salesforce
developer documentation and learning materials available on
Which statement should be used to allow some of the records in a list of records to beinserted if others fail to be inserted?
A. Database.insert (records, false) B. insert records C. insert (records, false) D. Database.insert (records, true)
Answer: A
Explanation: The statement Database.insert (records, false) should be used to allow some
of the records in a list of records to be inserted if others fail to be inserted. This statement uses the Database class method insert with the allOrNone parameter set to false. This
means that the operation allows partial success, and if some records fail, the remainder of
the DML operation can still succeed. The method returns a list
of Database.SaveResult objects, which contain the status and error information for each
record. The developer can use this information to handle the failed records accordingly.
The other statements either use the standard DML statement insert, which rolls back the
entire transaction if any record fails, or use the allOrNone parameter set to true, which has
the same effect as the standard DML statement. References: Database Class, Inserting
and Updating Records, Database.insert(list,false) in apex
Question # 38
A developer created a trigger on a custom object. This custom object also has somedependent pick lists.According to the order of execution rules, which step happens first?
A. System validation is run for maximum field lengths. B. The original record is loaded from the database. C. Old values are overwritten with the new record values, D. JavaScript validation is run In the browser.
Answer: D
Explanation:
According to the order of execution rules, the first step that happens when a record is
saved is the JavaScript validation on the browser, if the record contains any dependent
picklist fields. This validation limits each dependent picklist field to its available values. No
other validation occurs on the client side. The other steps happen later on the server side,
after the record is submitted to the server. References:
Triggers and Order of Execution, Apex Developer Guide, Section: Triggers and
Order of Execution
Learn Salesforce Order of Execution, Salesforce Ben, Section: Order of Execution
from Developer Docs API v54
Question # 39
When the code executes, a DML exception is thrown.How should a developer modify the code to ensure exceptions are handled gracefully?
A. Implement the upsert DML statement. B. Implement Change Data Capture. C. Implement a try/catch block for the DML. D. Remove null items from the list of Accounts.
Answer: C
Explanation: This is because when a DML exception is thrown, it means that the operation
failed due to some error, such as a validation rule, a trigger, or a governor limit. If the
exception is not handled, it will cause the entire transaction to roll back and display an
unhandled exception message to the user. To handle exceptions gracefully, the developer
should use a try/catch block to catch the exception and handle it in a way that does not
disrupt the user experience, such as logging the error, displaying a custom message, or
retrying the operation. References: The use of try/catch blocks for handling exceptions is
covered under Apex basics on Trailhead1. You can also find more information on DML
exceptions and how to handle them in the Apex Developer Guide2.
Question # 40
A software company is using Salesforce to track the companies they sell their software toin the Account object. They also use Salesforce to track bugs in their software with acustom object, Bug__c. As part of a process improvement initiative, they want to be able to report on whichcompanies have reported which bugs. Each company should be able treport multiple bugs and bugs can also be reported by multiple companies.What is needed to allow this reporting?
A. Roll-up summary field of Bug__c on Account B. Junction object between Bug__c and Account C. Lookup field on Bug__c to Account D. Master-detail field on Bug__c to Account
Answer: B
Explanation:
To allow reporting on which companies have reported which bugs, a junction object
between Bug__c and Account is needed. A junction object is a custom object with two
master-detail relationships, one to each of the objects it is joining. A junction object allows
many-to-many relationships between objects, such as Bug__c and Account in this
scenario. With a junction object, each bug can be related to multiple accounts, and each
account can be related to multiple bugs. A roll-up summary field, a lookup field, or a
master-detail field would not allow this kind of relationship, as they only support one-tomany
or one-to-one relationships between objects. References:
Define Relationships Between Custom Objects (Trailhead Module)
Relationships Among Objects (Salesforce Developer Documentation)
Free Salesforce Platform Developer 1 Practice Exam (With Answers) (Salesforce
Ben)
Question # 41
A team of many developers work in their own individual orgs that have the sameconfiguration as the production org.Which type of org is best suited for this scenario?
A. Full Sandbox B. Developer Edition C. Partner Developer Edition D. Developer Sandbox
Answer: B
Explanation:
Developer Edition orgs are free, fully-featured copies of Salesforce that are designed for
developers to create and test applications. They have the same configuration as the
production org, but with limited data and file storage. Developer Edition orgs are ideal for
individual developers or small teams who want to work in their own orgs that are isolated
from each other. Full Sandbox orgs are also copies of the production org, but they require a
paid license and have a refresh interval of 29 days. Partner Developer Edition orgs are
similar to Developer Edition orgs, but they have higher limits on data and file storage, as
well as the number of custom objects and tabs. They are available only to Salesforce
partners who are enrolled in the Partner Program. Developer Sandbox orgs are copies of
the production org metadata, but they have very limited data and file storage, and a refresh
interval of one day. They are useful for coding and testing in a disposable environment, but
not for developing complex applications that require more resources. References:
Certification - Platform Developer I - Trailhead
SALESFORCE CERTIFIED PLATFORM DEVELOPER I
[Developer Edition Orgs | Salesforce Trailhead]
[Sandbox Types and Templates | Salesforce Trailhead]
Question # 42
What is the result of the following code snippet?
A. Accounts are inserted. B. Account Is inserted. C. 200 Accounts are inserted. D. 201 Accounts are Inserted.
Answer: C
Explanation:
The code snippet uses a for loop to create a list of 200 Account objects, each with a unique
name. Then, it uses the Database.insert method to insert the list of accounts into the
database in one DML operation. The Database.insert method returns a list
of Database.SaveResult objects, which contain information about the success or failure of
each record insertion. However, the code snippet does not check the results or handle any
errors that might occur. Therefore, the result of the code snippet is that 200 accounts are
inserted, unless an exception is thrown due to a trigger, validation rule, governor limit, or
other reason. References:
Apex Developer Guide: Using Database Methods
Apex Developer Guide: Bulk DML Exception Handling
Trailhead: Apex Basics & Database
Question # 43
Universal Containers has developed custom Apex code and Lightning Components in a Sandbox environment. They need to deploy the code and associated configurations to theProduction environment.What is the recommended process for deploying the code and configurations toProduction?
A. Use a change set to deploy the Apex code and Lightning Components. B. Use the Force.com IDE to deploy the Apex code and Lightning Components. C. Use the Ant Migration Tool to deploy the Apex code and Lightning Components. D. Use Salesforce CLI to deploy the Apex code and Lightning Components.
Answer: D
Explanation:
Salesforce CLI is a command-line interface that allows developers to create, test, and
deploy code and configurations to any Salesforce environment1. Salesforce CLI is the
recommended tool for deploying custom Apex code and Lightning Components, as it
provides more flexibility, control, and automation than other deployment
methods2. Salesforce CLI can also integrate with source control systems, such as Git, to
enable version control and collaboration among developers3. Using a change set is
another option to deploy code and configurations from one Salesforce org to another, but it
has some limitations, such as requiring a deployment connection, not supporting all
metadata types, and not allowing selective deployment of components4. Using the
Force.com IDE or the Ant Migration Tool are also possible ways to deploy code and
configurations, but they are less user-friendly and require more manual steps than
Salesforce CLI5 . References:
Salesforce CLI | Salesforce Developer Tools
Deploy Your Code with Salesforce CLI | Salesforce Trailhead
Manage Projects with Salesforce DX | Salesforce Trailhead
Change Sets | Salesforce Trailhead
Force.com IDE | Salesforce Developer Tools
[Ant Migration Tool | Salesforce Developer Tools]
Question # 44
A developer needs to allow users to complete a form on an Account record that will createa record for a custom object.The form needs to display different fields depending on the user's job role. The functionalityshould only be available to a small group of users.Which three things should the developer do to satisfy these requirements?Choose 3 answers
A. Create a Dynamic Form, B. Add a Dynamic Action to the Account Record Page. C. Create a Custom Permission for the users. D. Add a Dynamic Action to the Users' assigned Page Layouts. E. Create a Lightning wet> component.
Answer: A,B,C
Explanation:
To create a form that will create a record for a custom object, the developer can use a
Dynamic Form, which is a Lightning App Builder component that allows you to customize
the fields and sections of a record page layout1. A Dynamic Form can also use visibility
rules to display different fields based on the user’s profile, role, or other criteria2. To add
the functionality to the Account record page, the developer can use a Dynamic Action,
which is a way to configure actions on a record page without code3. A Dynamic Action can
also use visibility rules to show or hide actions based on the user’s profile, role, or other
criteria4. To restrict the functionality to a small group of users, the developer can create a
Custom Permission, which is a way to grant access to custom processes or apps5. A Custom Permission can be assigned to a permission set or a profile, and then assigned to
the users who need it. References:
Dynamic Forms | Salesforce Trailhead
Visibility Rules for Dynamic Forms | Salesforce Help
Dynamic Actions | Salesforce Trailhead
Visibility Rules for Dynamic Actions | Salesforce Help
Custom Permissions | Salesforce Trailhead
[Assign Custom Permissions | Salesforce Help]
Question # 45
A developer creates a batch Apex job to update a large number of records, and receivesreports of the job timing out and not completing.What is the first step towards troubleshooting the issue?
A. Check the asynchronous job monitoring page to view the job status and logs. B. Check the debug logs for the batch job. C. Decrease the batch size to reduce the load on the system. D. Disable the batch job and recreate it with a smaller number of records.
Answer: A
Explanation:
The first step towards troubleshooting the issue is to check the asynchronous job
monitoring page to view the job status and logs. This page shows the progress, state, and
results of the batch Apex job, as well as any errors or exceptions that occurred during the
execution. The developer can use this information to identify the cause of the timeout and
take appropriate actions to fix it. References: Using Batch Apex, Use Batch Apex
Unit, Execute a batch Apex from Developer Console
Question # 46
The Job_Application__c custom object has a field that is a Master-Detail relationship to theContact object, where the Contact object is the Master. As part of a feature implementation,a developer needs to retrieve a list containing all Contact records where the relatedAccount Industry is ‘Technology’ while also retrieving the contact’s Job_Application__crecords.Based on the object’s relationships, what is the most efficient statement to retrieve the listof contacts?
A. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHEREAccount.Industry = ‘Technology’]; B. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHEREAccounts.Industry = ‘Technology’]; C. [SELECT Id, (SELECT Id FROM Job_Applications_c) FROM Contact WHEREAccounts.Industry = ‘Technology’]; D. [SELECT Id, (SELECT Id FROM Job_Application_c) FROM Contact WHEREAccount.Industry = ‘Technology’];
Answer: A To query child records from a parent object, you need to use a subquery inside
parentheses. The subquery should specify the fields to retrieve from the child object, and
the relationship name to use. The parent object should be specified after the FROM clause,
and any filter conditions on the parent object should be specified after the WHERE clause.
In this case, the parent object is Contact, the child object is Job_Application__c, the
relationship name is Job_Applications__r, and the filter condition is Account.Industry =
'Technology'.
The other options are incorrect because they use the wrong relationship name or syntax.
Option B uses Accounts instead of Account, which is not a valid field on the Contact object.
Option C uses Job_Applications_c instead of Job_Applications__r, which is not a valid
relationship name. Option D uses Job_Application_c instead of Job_Applications__r, which
is also not a valid relationship name. References:
Trailhead: Write SOQL Queries
Trailhead: Querying Data with SOQL
Salesforce Developer Guide: Relationship Queries
Question # 47
Universal Containers wants to assess the advantages of declarative development versusprogrammatic customization for specific use cases in its Salesforce implementation.What are two characteristics of declarative development over programmatic customization?Choose 2 answers
A. Declarative code logic does not require maintenance or review. B. Declarative development has higher design limits and query limits. C. Declarative development can be done using the setup menu. D. Declarative development does not require Apex test classes.
Answer: C,D
Explanation:
Declarative development is the process of configuring and customizing the Salesforce
platform using its built-in tools, such as the setup menu, without writing any code.
Declarative development has the following advantages over programmatic customization,
which involves writing custom code using Apex, Visualforce, or other languages:
Declarative development can be done by anyone who knows how to use the
Salesforce user interface, without requiring any programming knowledge or skills.
Programmatic customization requires a skilled developer who knows how to write,
test, and debug code.
Declarative development does not require Apex test classes, which are mandatory
for deploying any custom code to production. Apex test classes are used to verify
the functionality and quality of the code, and to ensure that it meets the code
coverage requirement of at least 75%. Declarative development does not have this
requirement, as the platform automatically validates the configuration and
customization.
Declarative development is faster and easier to implement, as it involves clicking
and dragging components, setting properties, and defining rules. Programmatic
customization is more time-consuming and complex, as it involves writing lines of
code, using development tools, and following coding standards and best practices.
However, declarative development also has some limitations and disadvantages compared
to programmatic customization, such as:
Declarative development has lower design limits and query limits than
programmatic customization. Design limits are the maximum number of
components, fields, objects, rules, etc. that can be used in a Salesforce org. Query
limits are the maximum number of records that can be retrieved or manipulated in
a single transaction. Programmatic customization can bypass some of these limits
by using techniques such as dynamic SOQL, batch Apex, or asynchronous Apex.
Declarative development has less flexibility and control over the functionality and
user interface than programmatic customization. Programmatic customization can
create custom logic, automation, integration, and user interface that are not
possible or supported by the declarative tools. For example, programmatic
customization can use Apex triggers to execute logic before or after a record is
inserted, updated, deleted, or undeleted, while declarative development can only
use workflow rules or process builder to execute logic after a record is created or
updated.
Declarative development can become difficult to maintain and troubleshoot as the
complexity and number of components, rules, and dependencies increase.
Programmatic customization can be more organized and modular, as it can use
classes, methods, variables, comments, and annotations to structure and
document the code.
Therefore, the best practice is to use a combination of declarative and programmatic
development, depending on the use case and the requirements. The general rule of thumb
is to use declarative development whenever possible, and use programmatic customization
only when necessary or when it provides significant benefits. References:
Programmatic vs Declarative: Are Clicks Better Than Code?
Clicks Not Code: Benefits of Declarative Vs. Imperative Programming
Review Developer Fundamentals Unit
Question # 48
A credit card company needs to implement the functionality for a service agent to processdamaged or stolen credit cards. When the customers call in, the service agent must gathermany pieces of information. A developer is tasked to implement this functionality.What should the developer use to satisfy this requirement in the most efficient manner?
A. Apex trigger B. Approval process C. Screen-based flow D. Lightning Component
Answer: C
Explanation:
A screen-based flow is a type of flow that allows you to create a guided, visual experience
for users to collect and update data, execute logic, call Apex classes, and more. Screenbased
flows are ideal for creating interactive processes that require user input and
feedback, such as the scenario of processing damaged or stolen credit cards. A screenbased
flow can be embedded in a Lightning page, a Visualforce page, a utility bar, or a
custom tab, and can be launched from various places, such as a button, a link, a Lightning
component, or a process. A screen-based flow can also leverage standard and custom
objects, variables, formulas, and other elements to create dynamic and complex business
niversal Containers (UC) processes orders in Salesforce in a custom object, Crder_c. Theyalso allow sales reps to upload CSV files withof orders at a time.A developer is tasked with integrating orders placed in Salesforce with UC's enterpriseresource planning (ERP) system.‘After the status for an Craer__c is first set to "Placed’, the order information must be sentto a REST endpoint in the ERP system that canprocess ne order at a time.What should the developer implement to accomplish this?
A. Callout from an §urare method called from a trigger B. Callout from a Sarchabie class called from a scheduled job C. Flow with 2 callout from an invocable method D. Callout from a queseatie class called from a trigger
Answer: D
Explanation: The developer should implement a callout from a queueable class called from a trigger to
accomplish this. A callout is a request that is sent from Salesforce to an external service,
such as a REST endpoint in the ERP system1. A queueable class is an Apex class that
implements the Queueable interface and can be executed asynchronously by adding it to
the Apex job queue2. A trigger is an Apex script that executes before or after specific data
manipulation language (DML) events on a Salesforce object, such as insert, update, or
delete3.
The reason why this option is the best is because:
A callout from a future method called from a trigger (option A) is not
recommended, because future methods have some limitations, such as not being
able to pass sObjects as parameters, not being able to chain future calls, and not
being able to monitor the status of the execution4.
A callout from a schedulable class called from a scheduled job (option B) is not
suitable, because scheduled jobs run at a specified time or interval, and not in
response to a data change event, such as setting the order status to "Placed"5.
A flow with a callout from an invocable method (option C) is not feasible, because
flows cannot be triggered by data changes, but only by user actions, such as
clicking a button, or by process automation tools, such as Process Builder or
Which statement generates a list of Leads and Contacts that have a field with the phrase'ACME'?
A. List<List <sObject>> searchList = [SELECT Name, ID FROM Contact, Lead WHEREName like "tACME3"]; B. List<List <sObject>> searchList = [FIND '*ACME*" IN ALL FIELDS RETURNINGContact, Lead]; C. Map <sObject> searchList = [FIND '*ACME*' IN ALL FIELDS RETURNING Contact,Lead]; D. List <sObject> searchList = [FIND '*ACME*' IN ALL FIELDS RETURNING Contact,Lead];
Answer: D
Explanation:
The correct statement is D, because it uses the SOSL syntax to search for the phrase
‘ACME’ in all fields of the Contact and Lead objects, and returns a list of sObjects that
match the criteria. The other statements are incorrect because:
A uses the SOQL syntax, which can only query one object at a time, and the LIKE
operator requires a wildcard character (%) before and after the search term.
B uses the SOSL syntax, but returns a list of lists of sObjects, which is not the
expected output.
C uses the SOSL syntax, but returns a map of sObjects, which is not the expected
output. References:
SOSL Syntax - Salesforce
SOSL Statements - Salesforce
SOQL and SOSL Reference - Salesforce
Question # 52
A developer must perform a complex SOQL query that joins two objects in a Lightningcomponent. How can the Lightning component execute the query?
A. Create a flow to execjte the query and invoke from the Lightning component B. Write the query in a custom Lightning web component wrapper ana invoke from theLightning component, C. Invoke an Apex class with the method annotated as &AuraEnabled to perform the query. D. Use the Salesforce Streaming API to perform the SOQL query.
Answer: C
Explanation:
A Lightning component can execute a complex SOQL query that joins two objects by
invoking an Apex class with the method annotated as @AuraEnabled. This annotation
enables the Apex method to be called from the Lightning component’s JavaScript controller
or helper. The Apex method can then perform the SOQL query and return the results to the
Lightning component. This approach allows the Lightning component to leverage the
programmatic capabilities of Apex and SOQL to perform complex queries that are not
possible with declarative tools such as flows or standard components. References:
Logic and Process Automation, Weight: 46%, Objective: Describe how to use
declarative and programmatic methods to create custom user interfaces on the
Lightning Platform.
[Call Apex Methods from Lightning Web Components], Trailhead Module, Unit:
Call Apex Methods Imperatively
[SOQL and SOSL Queries], Salesforce Developer Guide, Chapter: SOQL and
SOSL Reference
Question # 53
What are two considerations for running a flow in debug mode?Choose 2 answers
A. Callouts to external systems are not executed when debugging a flow. B. Clicking Pause or executing a Pause element closes the flow and ends debugging. C. Input variables of type record cannot be passed into the flow, D. DML operations will be rolled back when the debugging ends.
Answer: A,D
Explanation: Running a flow in debug mode allows the developer to test the flow logic
and functionality before activating it. Debug mode also provides detailed information about
the flow elements, variables, and outcomes as the flow runs1. However, there are some
limitations and considerations for debugging a flow, such as:
Callouts to external systems are not executed when debugging a flow. This means
that any flow elements that invoke Apex actions or invocable actions that make
callouts will be skipped during debugging. The developer can use mock responses
or stubs to simulate the callout results2.
DML operations will be rolled back when the debugging ends. This means that any
changes made to the database by the flow will not be committed or visible after the
debugging session. The developer can use the Developer Console or the Setup
Audit Trail to view the DML operations performed by the flow3.
The other two options are incorrect because:
Clicking Pause or executing a Pause element does not close the flow and end
debugging. Instead, it pauses the flow execution and allows the developer to
inspect the flow state and variables at that point. The developer can resume the
flow execution by clicking Resume or Next4.
Input variables of type record can be passed into the flow. The developer can
specify the record ID or assign field values for the input record variable when
debugging the flow. The developer can also use the running user or a different
user as the input record variable.
References:
1: Debug a Flow in Flow Builder | Salesforce Help
2: Debug Flows That Make Callouts | Salesforce Help
3: Debug Flows That Perform DML Operations | Salesforce Help
4: [Pause a Flow | Salesforce Help]
: [Set Input Values for a Flow | Salesforce Help]
Question # 54
A developer is alerted to an issue with a custom Apex trigger that is causing records to beduplicated.What is the most appropriate debugging approach to troubleshoot the issue?
A. Disable the trigger m production and test to see If the issue still occurs. B. Use the Apex Interactive Debugger to step through the code and Identify the issue. C. Review the Historical Event logs to Identify the source of the issue. D. Add system.debug statements to the code to track the execution flow and identify theissue.
Answer: D
Explanation:
Adding system.debug statements to the code is a common and effective way to
troubleshoot issues with Apex triggers. System.debug statements allow the developer to
log messages, variables, or expressions to the debug log, which can be viewed in the
Developer Console or other tools1. By adding system.debug statements at strategic points
in the trigger code, the developer can track the execution flow, check the values of
variables, and identify the root cause of the issue. Disabling the trigger in production is not
a good practice, as it can affect the business logic and data integrity of the org2. Using the
Apex Interactive Debugger is a powerful tool that allows the developer to set breakpoints,
inspect variables, and execute code line by line, but it requires a paid license and a
supported IDE3. Reviewing the Historical Event logs can provide useful information about
the performance, security, and usage of the org, but it may not be sufficient to pinpoint the
Universal Containers decided to transition from Classic to Lightning Experience. Theyasked a developer to replace a JavaScript button that was being used to create recordswith prepopulated values.What can the developer use to accomplish this?
A. Record triggered flows B. Apex triggers C. Validation rules D. Quick Actions
Answer: D
Explanation:
Quick Actions are the recommended way to create records with prepopulated values in
Lightning Experience. They allow the developer to define the fields and values that should
be populated when the user clicks the action. They also support different layouts and
visibility rules for different profiles and record types. Quick Actions can be added to the
page layout, the utility bar, or the global actions menu. References:
[Quick Actions]: Learn how to create actions to automate common tasks and
enhance the user experience.
[Create Object-Specific Quick Actions]: Learn how to create quick actions that are specific to a particular object, such as creating a contact from an account.
[Create Global Quick Actions]: Learn how to create quick actions that are not tied
to a specific object, such as creating a task or logging a call.
Question # 56
In the following example, which sharing context will myMethod execute when it is invoked?
A. Sharing rules will not be enforced for the running user. B. Sharing rules will be Inherited from the calling context. C. Sharing rules will be enforced by the instantiating class. D. Sharing rules will be enforced for the running user.
Answer: A
Explanation:
In Salesforce, the sharing context is determined by the definition of the class where a
method is defined, not where it is invoked or instantiated. Since there’s no “with sharing” or
“without sharing” keyword in the class definition in the provided example, it operates in
system context. In system context, Apex code has access to all objects and fields— object
permissions, field-level security, sharing rules aren’t applied for the current
user. References: Apex Developer Guide
Question # 57
Which annotation should a developer use on an Apex method to make it available to bewired to a property in a Lightning web component?
A. @RemoteAction B. @AureEnabled C. @AureEnabled (cacheable=true) D. @RemoteAction(|cacheable=true)
Answer: C
Explanation:
To make an Apex method available to be wired to a property in a Lightning web
component, the developer should use the @AuraEnabled annotation with the cacheable
parameter set to true. This indicates that the method is meant to be used in a read-only
manner and that the results can be cached on the client. This improves the performance
and user experience of the Lightning web component. The @RemoteAction annotation is
used for Visualforce remoting, not for Lightning web components. The @AuraEnabled
annotation without the cacheable parameter is used for imperative Apex methods that are
invoked from a Lightning web component’s JavaScript controller. The
@RemoteAction(cacheable=true) annotation is not valid syntax. References: Call Apex
Methods, Apex Annotations
Question # 58
Universal Containers has an order system that uses an Order Number to identify an orderfor customers and service agents. Order records will be imported into Salesforce.How should the Order Number field be defined in Salesforce?
A. Direct Lookup B. External ID and Unique C. Lookup D. Indirect Lookup
Answer: B
Explanation:
The Order Number field should be defined as an External ID and Unique field in
Salesforce. This is because the Order Number is a unique identifier that comes from an
external system and needs to be matched with the corresponding order records in
Salesforce. An External ID field allows you to use the Order Number as a foreign key for
data integration and upsert operations. A Unique field ensures that no two order records
have the same Order Number in Salesforce. References:
Order Fields - Salesforce
Order | Salesforce Field Reference Guide | Salesforce Developers
Allow Standard Order Number Field to be Overwritten - Salesforce
How to Create Number Field Type in Salesforce
Question # 59
How many Accounts will be inserted by the following block of code?
A. 100 B. 150 C. 0 D. 500
Answer: C,D
Explanation:
The code block provided will not insert any accounts because it violates Salesforce’s
governor limits. In Salesforce, you cannot perform DML (Data Manipulation Language)
operations like insert, update, delete inside a loop as it can quickly exceed the governor
limits (for example, you can only do 150 DML operations per transaction). Since the ‘insert’
operation is inside a for loop that iterates 500 times, this code will hit the limit and throw an
error. References: The information is based on the understanding of governor limits in
Salesforce which is crucial for writing efficient and optimized code. More details can be
found in the Apex Developer Guide on Governor Limits: Salesforce Governor Limits
Question # 60
Which Lightning Web Component custom event property settings enable the event tobubble up the containment hierarchy and cross the Shadow DOM boundary?
A. bubbles: tnje, composed: false B. bubbles: true, composed: true C. bubbles: false, composed: false D. bubbles: false, composed: true
Answer: B
Explanation:
Lightning Web Components use the standard web component model, which includes the
concept of Shadow DOM. Shadow DOM is a mechanism that isolates the component’s
internal DOM from the rest of the page, creating a boundary that prevents the component
from accessing or being affected by the elements outside of its own subtree. However, this
also means that events that are fired from within the component’s shadow DOM do not
propagate to the parent or ancestor components by default, unless they are configured to
do so.
To configure how an event propagates, the component that dispatches the event can set
two properties on the custom event object: bubbles and composed. The bubbles property
determines whether the event can bubble up the containment hierarchy, which is the tree of
components that contains the event source. The composed property determines whether
the event can cross the shadow boundary, which is the boundary between the component’s
shadow DOM and the light DOM of its parent component.
The possible values and effects of these properties are:
bubbles: true, composed: true: The event can bubble up the containment hierarchy
and cross the shadow boundary. This means that the event can be handled by any
component that is an ancestor of the event source, regardless of whether it is in
the same shadow DOM or not. This is the most common setting for custom events
that need to communicate with other components in the page.
bubbles: true, composed: false: The event can bubble up the containment
hierarchy, but cannot cross the shadow boundary. This means that the event can
be handled by any component that is an ancestor of the event source, as long as it
is in the same shadow DOM. This is useful for custom events that need to
communicate with other components within the same shadow tree, but not outside
of it.
bubbles: false, composed: true: The event cannot bubble up the containment
hierarchy, but can cross the shadow boundary. This means that the event can be
handled only by the component that dispatched the event, or by the component
that contains the event source in its light DOM. This is useful for custom events
that need to communicate with the direct parent component, but not with any other
ancestor components.
bubbles: false, composed: false: The event cannot bubble up the containment
hierarchy, nor can it cross the shadow boundary. This means that the event can be
handled only by the component that dispatched the event. This is useful for
custom events that do not need to communicate with any other components, but
only with the event source itself.
Therefore, the correct answer is B. bubbles: true, composed: true, as this is the only setting
that enables the event to bubble up the containment hierarchy and cross the shadow boundary.
References:
Configure Event Propagation
Handle Events
Question # 61
Universal Containers wants a list button to display a Visualforce page that allows users toedit multiple records.Which Visualforce feature supports this requirement?
Developers at Universal Containers (UC) use version control to share their code changes, but they notice that when they deploy their code to different environments they often havefailures. They decide to set up Continuous Integration (CI).What should the UC development team use to automatically run tests as part of their CIprocess?
A. Force.com Toolkit B. Salesforce CLI C. Visual Studio Code D. Developer Console
Answer: B
Explanation:
Salesforce CLI is a command-line interface that lets you run commands to create, test,
and deploy Salesforce applications. You can easily integrate Salesforce CLI commands
into various CI tools, such as CircleCI, Jenkins, or Travis CI, to automate testing and
deployment of Salesforce applications against scratch orgs. Salesforce CLI also supports
the Salesforce DX development model, which enables source-driven development, team
Set Up Continuous Integration for Your Salesforce Projects | Salesforce
Developers Blog
Collaborate Using Continuous Integration Unit | Salesforce Trailhead
Question # 63
Universal Containers needs to create a custom user interface component that allows usersto enter information about their accounts.The component should be able to validate the user input before saving the information tothe database.What is the best technology to create this component?
A. Flow B. Lightning Web Components C. Visualforce D. VUE JavaScript framework
Answer: B
Explanation: The best technology to create a custom user interface component that
allows users to enter and validate information about their accounts is Lightning Web
Components. Lightning Web Components are reusable HTML elements that use modern
JavaScript and web standards to create fast and efficient user interfaces on the Lightning
Platform. Lightning Web Components can leverage the Lightning Data Service to access
and manipulate Salesforce data, and use the Lightning Design System to ensure a
consistent look and feel. Lightning Web Components can also use Apex methods, wire
adapters, and wire functions to perform complex logic and validations on the user input before saving it to the database. Flow is a declarative tool that allows users to automate
business processes and guide users through screens, but it is not a technology to create
custom user interface components. Visualforce is a framework that allows developers to
create custom web pages and components using a tag-based markup language and Apex
controllers, but it is not as fast, efficient, or modern as Lightning Web Components. VUE
JavaScript framework is an external framework that can be used to create reactive user
interfaces, but it is not a native Salesforce technology and it requires additional
configuration and integration to work with Salesforce data and services. References:
Lightning Web Components (Salesforce Developer Documentation)
Build Lightning Web Components (Trailhead Trail)
Flow Basics (Trailhead Module)
Visualforce Basics (Trailhead Module)
VUE JavaScript Framework (Official Website)
Question # 64
Universal Containers wants Service Console users to be able to view and update productusage data that is stored in an external system.Which two features should a consultant recommend to provide this functionality?Choose 2 answers
A. Salesforce Connect B. Custom Objects C. Middle-tier integration D. External Objects
Answer: A,D
Explanation:
Salesforce Connect and External Objects are two features that can provide Service
Console users with the ability to view and update product usage data that is stored in an
external system. Salesforce Connect allows users to access data from external sources in
real time without copying or syncing the data. External Objects are custom objects that
map to data stored outside Salesforce. Verified References: :
A developer has a Apex controller for a Visualforce page that takes an ID as a URLparameter. How should the developer prevent a cross site scripting vulnerability?
A. ApexPages.currentPage() .getParameters() .get('url_param') B. ApexPages.currentPage() .getParameters() .get('url_param') .escapeHtml4() C. String.ValueOf(ApexPages.currentPage() .getParameters().get('url_param')) D. String.escapeSingleQuotes(ApexPages.currentPage() .getParameters().get('url_param'))
Answer: B
Question # 66
Which two are bestpractices when it comes to component and application event handling?(Choose two.)
A. Reuse the event logic in a component bundle, by putting the logic in the helper. B. Use component events to communicate actions that should be handled at theapplicationlevel. C. Handle low-level events in the event handler and re-fire them as higher-level events. D. Try to use application events as opposed to component events.
Answer: A,C
Question # 67
A developer must create a lightning component that allows users to input contact recordinformation to create a contact record, including a salary__c customfield. what should thedeveloper use, along with a lightning-record-edit form, so that salary__c field functions as acurrency input and is only viewable and editable by users that have the correct fieldlevelpermissions on salary__C?
A. <ligthning-input-field field-name="Salary__c"></lightning-input-field> B. <lightning-formatted-number value="Salary__c" format-style="currency"></lightning-formatted-number> C. <lightning-input type="number" value="Salary__c" formatter="currency"></lightning-input> D. <lightning-input-currency value="Salary__c"></lightning-input-currency>
Answer: A
Question # 68
A developer wants to invoke on outbound message when a record meets a specific criteria. Which three features satisfy this use case?Choose 3 answer
A. Approval Process has the capacity to check the record criteria and send an outboundmessage without Apex Code B. Process builder can be used to check the record criteria and send an outboundmessage with ApexCode. C. workflows can be used to check the record criteria and send an outbound message. D. Process builder can be used to check the record criteria and send an outboundmessagewithout Apex Code. E. Visual Workflow can be used to check the recordcriteria and send an outbound messagewithout Apex Code.
Answer: A,B,C
Question # 69
A developer at Universal Containers is taked with implementing a new Salesforceapplication that bwill be maintained completely by theircompany’s Salesforceadmiknistrator.Which two options should be considered for buildig out the business logic layerof theapplication?Chosse 2 answer
A. Validation Rules B. Record-Triggered flows C, Scheduled C. UnvocableMoorche2023-06-13T14:55:00Actions
Answer: A,B
Question # 70
A developer needs to implement a custom SOAP Web Service that is used by an externalWeb Application. The developer chooses to Include helper methods that are not used bythe Web Application In the Implementation of the Web Service Class.Which code segment shows the correct declaration of the class and methods?
A. Option A B. Option B C. Option C D. Option D
Answer: C
Question # 71
A developer must write anApex method that will be called from a lightning component.Themethod may delete an Account stored in the accountRec variable.Which method should a developer use to ensure only users that should be able to deleteAccounts can successfully perform deletion?
A. accountRec., isDeletable() B. Account, isDeletable() C. AccountRec, ObjecType, ieDeletable () D. Schena, sobjectType, Account, isDeletetable ()
Answer: D
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