AWS DevOps DevOps Monitoring, Testing & Deployment Strategies 4

Question 1

Which AWS service should you use to implement synthetic monitoring that continuously tests your API endpoints from multiple geographic regions?

Accepted Answer

Amazon CloudWatch Synthetics

Answer

CloudWatch Synthetics runs Canary scripts on a schedule to simulate user interactions and monitor endpoint availability and latency.

Question 2

When using AWS CodePipeline with a manual approval action, what happens to the pipeline if no one approves or rejects within the configured timeout?

Accepted Answer

The action times out and the pipeline fails

Answer

Manual approval actions have a configurable timeout (default 7 days) after which the action expires and the pipeline execution fails.

Question 3

A team needs to run different test suites in parallel to speed up a CodePipeline stage. Which CodeBuild feature supports running multiple build environments concurrently for a single project?

Accepted Answer

CodeBuild batch builds with parallel build graph

Answer

CodeBuild batch builds allow you to define a build graph where multiple build environments run in parallel, sharing artifacts.

Question 4

Which metric in Amazon CloudWatch is most useful for detecting a memory leak in a running application over time?

Accepted Answer

Custom memory utilization metric published via CloudWatch Agent

Answer

EC2 does not publish memory metrics by default; you must install the CloudWatch Agent and configure it to collect and publish memory utilization.

Question 5

In AWS Fault Injection Simulator (FIS), what is an 'experiment template' used for?

Accepted Answer

Defining the fault actions, targets, stop conditions, and IAM permissions for a chaos experiment

Answer

An FIS experiment template specifies what faults to inject, which AWS resources to target, stop conditions, and the IAM role to use.

AWS Practice Test

AWS Practice Test

AWS DevOps DevOps Monitoring, Testing & Deployment Strategies 4