Amazon SAA-C03 Question Answers

Question # 181

A 4-year-old media company is using the AWS Organizations all features feature set fo organize its AWS accounts. According to he company's finance team, the billing information on the member accounts must not be accessible to anyone, including the root user of the member accounts. Which solution will meet these requirements?

A. Add all finance team users to an IAM group. Attach an AWS managed policy named Billing to the group. 
B. Attach an identity-based policy to deny access to the billing information to all users, including the root user. 
C. Create a service control policy (SCP) to deny access to the billing information. Attach the SCP to the root organizational unit (OU). 
D. Convert from the Organizations all features feature set to the Organizations consolidated billing feature set. 

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Question # 182

A company uses on-premises servers to host its applications The company is running out of storage capacity. The applications use both block storage and NFS storage. The company needs a high-performing solution that supports local caching without rearchitecting its existing applications. Which combination of actions should a solutions architect take to meet these requirements? (Select TWO.)

A. Mount Amazon S3 as a file system to the on-premises servers. 
B. Deploy an AWS Storage Gateway file gateway to replace NFS storage.
 C. Deploy AWS Snowball Edge to provision NFS mounts to on-premises servers. 
D. Deploy an AWS Storage Gateway volume gateway to replace the block storage 
E. Deploy Amazon Elastic File System (Amazon EFS) volumes and mount them to onpremises servers. 

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Question # 183

A company operates a two-tier application for image processing. The application uses two Availability Zones, each with one public subnet and one private subnet. An Application Load Balancer (ALB) for the web tier uses the public subnets. Amazon EC2 instances for the application tier use the private subnets. Users report that the application is running more slowly than expected. A security audit of the web server log files shows that the application is receiving millions of illegitimate requests from a small number of IP addresses. A solutions architect needs to resolve the immediate performance problem while the company investigates a more permanent solution. What should the solutions architect recommend to meet this requirement?

A. Modify the inbound security group for the web tier. Add a deny rule for the IP addresses that are consuming resources. 
B. Modify the network ACL for the web tier subnets. Add an inbound deny rule for the IP addresses that are consuming resources 
C. Modify the inbound security group for the application tier. Add a deny rule for the IP addresses that are consuming resources. 
D. Modify the network ACL for the application tier subnets. Add an inbound deny rule for the IP addresses that are consuming resources 

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Question # 184

A gaming company uses Amazon DynamoDB to store user information such as geographic location, player data, and leaderboards. The company needs to configure continuous backups to an Amazon S3 bucket with a minimal amount of coding. The backups must not affect availability of the application and must not affect the read capacity units (RCUs) that are defined for the table Which solution meets these requirements?

A. Use an Amazon EMR cluster. Create an Apache Hive job to back up the data to Amazon S3. 
B. Export the data directly from DynamoDB to Amazon S3 with continuous backups. Turn on point-in-time recovery for the table. 
C. Configure Amazon DynamoDB Streams. Create an AWS Lambda function to consume the stream and export the data to an Amazon S3 bucket. 
D. Create an AWS Lambda function to export the data from the database tables to Amazon S3 on a regular basis. Turn on point-in-time recovery for the table. 

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Question # 185

A company has an on-premises server that uses an Oracle database to process and store customer information The company wants to use an AWS database service to achieve higher availability and to improve application performance. The company also wants to offload reporting from its primary database system. Which solution will meet these requirements in the MOST operationally efficient way?

A. Use AWS Database Migration Service (AWS DMS) to create an Amazon RDS DB instance in multiple AWS Regions Point the reporting functions toward a separate DB instance from the primary DB instance. 
B. Use Amazon RDS in a Single-AZ deployment to create an Oracle database Create a read replica in the same zone as the primary DB instance. Direct the reporting functions to the read replica. 
C. Use Amazon RDS deployed in a Multi-AZ cluster deployment to create an Oracle database Direct the reporting functions to use the reader instance in the cluster deployment 
D. Use Amazon RDS deployed in a Multi-AZ instance deployment to create an Amazon Aurora database. Direct the reporting functions to the reader instances. 

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Question # 186

A company has a small Python application that processes JSON documents and outputs the results to an on-premises SQL database. The application runs thousands of times each day. The company wants to move the application to the AWS Cloud. The company needs a highly available solution that maximizes scalability and minimizes operational overhead. Which solution will meet these requirements? 

A. Place the JSON documents in an Amazon S3 bucket. Run the Python code on multiple Amazon EC2 instances to process the documents. Store the results in an Amazon Aurora DB cluster 
B. Place the JSON documents in an Amazon S3 bucket. Create an AWS Lambda function that runs the Python code to process the documents as they arrive in the S3 bucket. Store the results in an Amazon Aurora DB cluster. 
C. Place the JSON documents in an Amazon Elastic Block Store (Amazon EBS) volume. Use the EBS Multi-Attach feature to attach the volume to multiple Amazon EC2 instances. Run the Python code on the EC2 instances to process the documents. Store the results on an Amazon RDS DB instance. 
D. Place the JSON documents in an Amazon Simple Queue Service (Amazon SQS) queue as messages Deploy the Python code as a container on an Amazon Elastic Container Service (Amazon ECS) cluster that is configured with the Amazon EC2 launch type. Use the container to process the SQS messages. Store the results on an Amazon RDS DB instance. 

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Question # 187

A company wants lo build a web application on AWS. Client access requests to the website are not predictable and can be idle for a long time. Only customers who have paid a subscription fee can have the ability to sign in and use the web application. Which combination of steps will meet these requirements MOST cost-effectively? (Select THREE.)

A. Create an AWS Lambda function to retrieve user information from Amazon DynamoDB. Create an Amazon API Gateway endpoint to accept RESTful APIs. Send the API calls to the Lambda function. 
B. Create an Amazon Elastic Container Service (Amazon ECS) service behind an Application Load Balancer to retrieve user information from Amazon RDS. Create an Amazon API Gateway endpoint to accept RESTful APIs. Send the API calls to the Lambda function. 
C. Create an Amazon Cogmto user pool to authenticate users D. Create an Amazon Cognito identity pool to authenticate users.
 E. Use AWS Amplify to serve the frontend web content with HTML. CSS, and JS. Use an integrated Amazon CloudFront configuration. 
F. Use Amazon S3 static web hosting with PHP. CSS. and JS. Use Amazon CloudFront to serve the frontend web content. 

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Question # 188

A company runs a three-tier web application in the AWS Cloud that operates across three Availability Zones. The application architecture has an Application Load Balancer, an Amazon EC2 web server that hosts user session states, and a MySQL database that runs on an EC2 instance. The company expects sudden increases in application traffic. The company wants to be able to scale to meet future application capacity demands and to ensure high availability across all three Availability Zones. Which solution will meet these requirements?

A. Migrate the MySQL database to Amazon RDS for MySQL with a Multi-AZ DB cluster deployment. Use Amazon ElastiCache for Redis with high availability to store session data and to cache reads. Migrate the web server to an Auto Scaling group that is in three Availability Zones. 
B. Migrate the MySQL database to Amazon RDS for MySQL with a Multi-AZ DB cluster deployment. Use Amazon ElastiCache for Memcached with high availability to store session data and to cache reads. Migrate the web server to an Auto Scaling group that is in three Availability Zones. 
C. Migrate the MySQL database to Amazon DynamoDB. Use DynamoDB Accelerator (DAX) to cache reads. Store the session data in DynamoDB. Migrate the web server to an Auto Scaling group that is in three Availability Zones. 
D. Migrate the MySQL database to Amazon RDS for MySQL in a single Availability Zone. Use Amazon ElastiCache for Redis with high availability to store session data and to cache reads. Migrate the web server to an Auto Scaling group that is in three Availability Zones. 

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Question # 189

A company runs a website that uses a content management system (CMS) on Amazon EC2. The CMS runs on a single EC2 instance and uses an Amazon Aurora MySQL MultiAZ DB instance for the data tier. Website images are stored on an Amazon Elastic Block Store (Amazon EBS) volume that is mounted inside the EC2 instance. Which combination of actions should a solutions architect take to improve the performance and resilience of the website? (Select TWO.)

A. Move the website images into an Amazon S3 bucket that is mounted on every EC2 instance. 
B. Share the website images by using an NFS share from the primary EC2 instance. Mount this share on the other EC2 instances. 
C. Move the website images onto an Amazon Elastic File System (Amazon EFS) file system that is mounted on every EC2 instance. 
D. Create an Amazon Machine Image (AMI) from the existing EC2 instance Use the AMI to provision new instances behind an Application Load Balancer as part of an Auto Scaling group. Configure the Auto Scaling group to maintain a minimum of two instances. Configure an accelerator in AWS Global Accelerator for the website. 
E. Create an Amazon Machine Image (AMI) from the existing EC2 instance. Use the AMI to provision new instances behind an Application Load Balancer as part of an Auto Scaling group. Configure the Auto Scaling group to maintain a minimum of two instances. Configure an Amazon CloudFront distribution for the website.

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Question # 190

A company moved its on-premises PostgreSQL database to an Amazon RDS for PostgreSQL DB instance. The company successfully launched a new product. The workload on the database has increased. The company wants to accommodate the larger workload without adding infrastructure. Which solution will meet these requirements MOST cost-effectively?

A. Buy reserved DB instances for the total workload. Make the Amazon RDS for PostgreSQL DB instance larger. 
B. Make the Amazon RDS for PostgreSQL DB instance a Multi-AZ DB instance. 
C. Buy reserved DB instances for the total workload. Add another Amazon RDS for PostgreSQL DB instance. 
D. Make the Amazon RDS for PostgreSQL DB instance an on-demand DB instance. 

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