DevOps Engineering on AWS Certification DevOps Engineering on AWS Certification MCQ 5

Question 1

Which AWS service provides automated recommendations to improve application availability, performance, security, and cost by analyzing your AWS environment?

Accepted Answer

AWS Trusted Advisor

Answer

AWS Trusted Advisor analyzes your AWS environment across five pillars and provides actionable recommendations to align with AWS best practices.

Question 2

A DevOps engineer wants to deploy infrastructure across multiple AWS accounts and regions using a single CloudFormation template. Which feature supports this?

Accepted Answer

CloudFormation StackSets

Answer

CloudFormation StackSets extend the concept of stacks by deploying the same template to multiple accounts and regions in a single operation.

Question 3

Which AWS CodePipeline action type allows a pipeline to pause and wait for manual approval before proceeding to the next stage?

Accepted Answer

Approval action in a pipeline stage

Answer

The Approval action type pauses pipeline execution and sends an optional notification, requiring a designated reviewer to approve or reject before the pipeline continues.

Question 4

A Lambda function deployed in a VPC cannot reach the internet to call an external API. The function has no errors related to security groups or NACLs. What is the most likely missing configuration?

Accepted Answer

A NAT Gateway or NAT Instance is not configured in the VPC for the function's subnet

Answer

Lambda functions inside a VPC route outbound internet traffic through a NAT Gateway or NAT Instance in a public subnet; without it, they cannot reach the public internet.

Question 5

Which AWS service continuously monitors machine learning models in production for data drift and model quality degradation, and can trigger retraining pipelines?

Accepted Answer

Amazon SageMaker Model Monitor

Answer

Amazon SageMaker Model Monitor automatically monitors deployed models for data quality, model quality, bias drift, and feature attribution drift in real time.

DevOps Engineering on AWS Certification Practice Test

DevOps Engineering on AWS Certification Practice Test

DevOps Engineering on AWS Certification DevOps Engineering on AWS Certification MCQ 5