AWS CloudFormation Automation for DevOps Engineers

1. What is AWS CloudFormation StackSets used for?

Deploying stacks across multiple AWS accounts and regions

Storing CloudFormation templates

Monitoring stack resource usage

Validating template syntax

2. What is the primary benefit of using CloudFormation with CI/CD pipelines?

Automated infrastructure provisioning and updates

Reduced application code complexity

Faster database queries

Lower network bandwidth

3. Which CloudFormation resource type represents a collection of resources for a web application?

AWS::CloudFormation::Stack

AWS::EC2::Instance

AWS::ApplicationAutoScaling::ScalableTarget

AWS::S3::Bucket

4. What is CloudFormation Designer used for?

Creating visual representations of templates

Designing EC2 instances

Managing IAM roles

Monitoring CloudWatch metrics

5. In CloudFormation, which section contains default values for template parameters?

Defaults

ParameterDefaults

Parameters with Default property

Mappings

6. What does a CloudFormation stack policy do?

Controls which users can update the stack

Prevents accidental updates or deletions of resources

Encrypts stack data

Monitors stack performance

7. Which CloudFormation condition function checks if all specified conditions are true?

Fn::And

Fn::Or

Fn::Not

Fn::Equals

8. What is the purpose of CloudFormation template validation?

To check syntax and resource property correctness

To execute the template

To estimate costs

To create a backup

9. Which service integrates with CloudFormation to provide custom resources?

AWS Lambda

AWS Systems Manager

AWS CodePipeline

AWS Config

10. In CloudFormation, what does the DeletionPolicy attribute control?

Which resources are deleted when a stack is deleted

When backups are created

How resources are retained, deleted, or snapshotted on stack deletion

Access to stack resources

11. Which CloudFormation template section defines the AWS resources you want to create?

Parameters

Resources

Outputs

Metadata

12. Which CloudFormation feature allows you to reuse template code across multiple stacks?

Nested stacks

Stack sets

Template parameters

Outputs

13. What does Fn::Sub do in a CloudFormation template?

Subscribes to SNS topics

Substitutes variables in strings

Subtracts numerical values

Submits a job to Batch

14. Which policy allows CloudFormation to assume roles and create resources on your behalf?

CloudFormationFullAccess

IAM service role with trust relationship

CloudFormationStackPolicy

EC2FullAccess

15. What is a CloudFormation change set?

A backup of your stack

A preview of changes before updating a stack

A scheduled stack deletion

A template version history

16. Which template parameter type is used to specify an EC2 key pair?

AWS::EC2::KeyPair::KeyName

String

CommaDelimitedList

AWS::EC2::KeyPair

17. What does the CloudFormation Drift feature detect?

Unauthorized API calls

Differences between expected and actual resource configurations

Network latency issues

IAM permission violations

18. Which intrinsic function retrieves the value of an output from another stack?

Fn::GetAtt

Fn::ImportValue

Fn::Sub

Fn::Join

19. In CloudFormation, what does a stack represent?

A single EC2 instance

A collection of AWS resources created from a template

A version control system

A container registry

20. What is the primary advantage of using CloudFormation for infrastructure management?

Lower AWS service costs

Infrastructure as Code enables version control and repeatability

Faster manual deployments

Automatic scaling without configuration

AWS DevOps Engineer CloudFormation Automation Quiz