- (Exam Topic 2)
Which AWS service or feature will search for and identify AWS resources that are stared externally?

1. A. Amazon OpenSearch Service (Amazon Elasticsearch Service)
2. B. AWS Control Tower
3. C. AWS IAM Access Analyzer
4. D. AWS Fargate

Correct Answer: C

- (Exam Topic 2)
Which AWS service is a fully hosted version control service?

1. A. AWS CodeCommit
2. B. AWS CodeBuild
3. C. AWS CodeDeploy
4. D. AWS CodeStar

Correct Answer: B
CodeCommit is a secure, highly scalable, managed source control service that hosts private Git repositories. CodeCommit eliminates the need for you to manage your own source control system or worry about scaling its infrastructure. You can use CodeCommit to store anything from code to binaries. It supports the standard functionality of Git, so it works seamlessly with your existing Git-based tools.

- (Exam Topic 3)
Which of the following is an AWS Well-Architected Framework design principle for operational excellence in the AWS Cloud?

1. A. Go global in minutes.
2. B. Make frequent, small, reversible changes.
3. C. Implement a strong foundation of identity and access management.
4. D. Stop spending money on hardware infrastructure for data center operations.

Correct Answer: B

- (Exam Topic 3)
A company is planning to configure multi-factor authentication (MFA) for a business application. The company needs to use text messages to distribute one-time passwords to us customers worldwide. When AWS service should the company use to meet this requirement?

1. A. Amazon EventBridge (Amazon CloudWatch Events)
2. B. AWS identity and Access Management (IAM)
3. C. Amazon Simple Notification Service (Amazon SNS)
4. D. Amazon Connect

Correct Answer: C

- (Exam Topic 1)
A system automatically recovers from failure when a company launches its workload on the AWS Cloud services platform. Which pillar of the AWS Well-Architected Framework does this situation demonstrate?

1. A. Reliability
2. B. Cost optimization
3. C. Performance efficiency
4. D. Operational excellence.

Correct Answer: A
https://aws.amazon.com/blogs/apn/the-6-pillars-of-the-aws-well-architected-framework/
Built around six pillars—operational excellence, security, reliability, performance efficiency, cost optimization, and sustainability—AWS Well-Architected provides a consistent approach for customers and partners to evaluate architectures and implement scalable designs.
Reliability
The Reliability pillar encompasses the ability of a workload to perform its intended function correctly and consistently when it’s expected to. This includes the ability to operate and test the workload through its total lifecycle. You can find prescriptive guidance on implementation in the Reliability Pillar whitepaper.