AWS-Certified-Solutions-Architect-Professional Free Practice Test

- (Exam Topic 2)
A company plans to migrate a three-tiered web application from an on-premises data center to AWS The company developed the Ui by using server-side JavaScript libraries The business logic and API tier uses a Python-based web framework The data tier runs on a MySQL database
The company custom built the application to meet business requirements The company does not want to
re-architect the application The company needs a solution to replatform the application to AWS with the least possible amount of development The solution needs to be highly available and must reduce operational overhead
Which solution will meet these requirements?

1. A. Deploy the UI to a static website on Amazon S3 Use Amazon CloudFront to deliver the website Build the business logic in a Docker image Store the image in AmazonElastic Container Registry (Amazon ECR) Use Amazon Elastic Container Service (Amazon ECS) with the Fargate launch type to host the website with an Application Load Balancer in front Deploy the datalayer to an Amazon Aurora MySQL DB cluster
2. B. Build the UI and business logic in Docker images Store the images in Amazon Elastic Container Registry (Amazon ECR) Use Amazon Elastic Container Service (Amazon ECS) with the Fargate launch type to host the UI and business logic applications with an Application Load Balancer in front Migrate the database to an Amazon RDS for MySQL Multi-AZ DB instance
3. C. Deploy the UI to a static website on Amazon S3 Use Amazon CloudFront to deliver the website Convert the business logic to AWS Lambda functions Integrate the functions with Amazon API Gateway Deploy the data layer to an Amazon Aurora MySQL DB cluster
4. D. Build the UI and business logic in Docker images Store the images in Amazon Elastic Container Registry (Amazon ECR) Use Amazon Elastic Kubernetes Service(Amazon EKS) with Fargate profiles to host the UI and business logic Use AWS Database Migration Service (AWS DMS) to migrate the data layer to Amazon DynamoDB

Correct Answer: A
This solution utilizes Amazon S3 and CloudFront to deploy the UI as a static website, which can be done with minimal development effort. The business logic and API tier can be containerized in a Docker image and stored in Amazon Elastic Container Registry (ECR) and run on Amazon Elastic Container Service (ECS) with the Fargate launch type, which allows the application to be highly available with minimal operational overhead. The data layer can be deployed on an Amazon Aurora MySQL DB cluster which is a fully managed relational database service.
Amazon Aurora provides high availability and performance for the data layer without the need for managing the underlying infrastructure.

- (Exam Topic 3)
A company's CISO has asked a Solutions Architect to re-engineer the company's current CI/CD practices to make sure patch deployments to its applications can happen as quickly as possible with minimal downtime if vulnerabilities are discovered. The company must also be able to quickly roll back a change in case of errors.
The web application is deployed in a fleet of Amazon EC2 instances behind an Application Load Balancer. The company is currently using GitHub to host the application source code, and has configured an AWS CodeBuild project to build the application. The company also intends to use AWS CodePipeline to trigger builds from GitHub commits using the existing CodeBuild project.
What CI/CD configuration meets all of the requirements?

1. A. Configure CodePipeline with a deploy stage using AWS CodeDeploy configured for in-place deploymen
2. B. Monitor the newly deployed code, and, if there are any issues, push another code update.
3. C. Configure CodePipeline with a deploy stage using AWS CodeDeploy configured for blue/green deployment
4. D. Monitor the newly deployed code, and, if there are any issues, trigger a manual rollback using CodeDeploy.
5. E. Configure CodePipeline with a deploy stage using AWS CloudFormation to create a pipeline for test and production stack
6. F. Monitor the newly deployed code, and, if there are any issues, push another code update.
7. G. Configure the CodePipeline with a deploy stage using AWS OpsWorks and in-place deployments.Monitor the newly deployed code, and, if there are any issues, push another code update.

Correct Answer: B

- (Exam Topic 1)
A company needs to implement a patching process for its servers. The on-premises servers and Amazon EC2 instances use a variety of tools to perform patching. Management requires a single report showing the patch status of all the servers and instances.
Which set of actions should a solutions architect take to meet these requirements?

1. A. Use AWS Systems Manager to manage patches on the on-premises servers and EC2 instance
2. B. Use Systems Manager to generate patch compliance reports.
3. C. Use AWS OpsWorks to manage patches on the on-premises servers and EC2 instance
4. D. Use Amazon OuickSight integration with OpsWorks to generate patch compliance reports.
5. E. Use an Amazon EventBridge (Amazon CloudWatch Events) rule to apply patches by scheduling an AWS Systems Manager patch remediation jo
6. F. Use Amazon Inspector to generate patch compliance reports.
7. G. Use AWS OpsWorks to manage patches on the on-premises servers and EC2 instance
8. H. Use AWS X-Ray to post the patch status to AWS Systems Manager OpsCenter to generate patch compliance reports.

Correct Answer: A
https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-patch.html

- (Exam Topic 3)
A car rental company has built a serverless REST API to provide data to its mobile app. The app consists of an Amazon API Gateway API with a Regional endpoint, AWS Lambda functions, and an Amazon Aurora MySQL Serverless DB cluster. The company recently opened the API to mobile apps of partners. A
significant increase in the number of requests resulted, causing sporadic database memory errors. Analysis of the API traffic indicates that clients are making multiple HTTP GET requests for the same queries in a short period of time. Traffic is concentrated during business hours, with spikes around holidays and other events.
The company needs to improve its ability to support the additional usage while minimizing the increase in costs associated with the solution.
Which strategy meets these requirements?

1. A. Convert the API Gateway Regional endpoint to an edge-optimized endpoin
2. B. Enable caching in the production stage.
3. C. Implement an Amazon ElastiCache for Redis cache to store the results of the database call
4. D. Modify the Lambda functions to use the cache.
5. E. Modify the Aurora Serverless DB cluster configuration to increase the maximum amount of available memory.
6. F. Enable throttling in the API Gateway production stag
7. G. Set the rate and burst values to limit the incoming calls.

Correct Answer: A
This option allows the company to use Amazon CloudFront to improve the latency and availability of the API requests by caching the responses at the edge locations closest to the clients1. By enabling caching in the production stage, the company can reduce the number of calls made to the backend services, such as Lambda functions and Aurora Serverless DB cluster, and save on costs and resources2. This option also helps to handle traffic spikes and reduce database memory errors by serving cached responses instead of querying the database repeatedly.
References:
Choosing an API endpoint type
Enabling API caching to enhance responsiveness

- (Exam Topic 1)
A company wants to use AWS to create a business continuity solution in case the company's main on-premises application fails. The application runs on physical servers that also run other applications. The on-premises application that the company is planning to migrate uses a MySQL database as a data store. All the company's on-premises applications use operating systems that are compatible with Amazon EC2.
Which solution will achieve the company's goal with the LEAST operational overhead?

1. A. Install the AWS Replication Agent on the source servers, including the MySQL server
2. B. Set up replication for all server
3. C. Launch test instances for regular drill
4. D. Cut over to the test instances to fail over the workload in the case of a failure event.
5. E. Install the AWS Replication Agent on the source servers, including the MySQL server
6. F. Initialize AWS Elastic Disaster Recovery in the target AWS Regio
7. G. Define the launch setting
8. H. Frequently perform failover and fallback from the most recent point in time.
9. I. Create AWS Database Migration Service (AWS DMS) replication servers and a target Amazon Aurora MySQL DB cluster to host the databas
10. J. Create a DMS replication task to copy the existing data to the target DB cluste
11. K. Create a local AWS Schema Conversion Tool (AWS SCT) change data capture (CDC) task to keep the data synchronize
12. L. Install the rest of the software on EC2 instances by starting with a compatible base AMI.
13. M. Deploy an AWS Storage Gateway Volume Gateway on premise
14. N. Mount volumes on all on-premises server
15. O. Install the application and the MySQL database on the new volume
16. P. Take regular snapshot
17. Q. Install all the software on EC2 Instances by starting with a compatible base AM
18. R. Launch a Volume Gateway on an EC2 instanc
19. S. Restore the volumes from the latest snapsho
20. T. Mount the new volumes on the EC2 instances in the case of a failure event.

Correct Answer: B
https://docs.aws.amazon.com/drs/latest/userguide/what-is-drs.html https://docs.aws.amazon.com/drs/latest/userguide/recovery-workflow-gs.html