DevOps Engineering on AWS Certification Infrastructure as Code with AWS CloudFormation

Question 1

What is the purpose of the CloudFormation `DependsOn` attribute?

Accepted Answer

To specify that one resource must be created before another

Answer

To import values from other stacks

Answer

To enable rollback on failure

Answer

To define stack output values

Question 2

Which CloudFormation section is used to pass custom values into a template at stack creation time?

Accepted Answer

Parameters

Answer

Mappings

Answer

Conditions

Answer

Outputs

Question 3

What does `cfn-signal` do in a CloudFormation deployment?

Accepted Answer

Signals CloudFormation that a resource has been successfully configured

Answer

Triggers a CloudFormation stack update

Answer

Deletes a stack on completion

Answer

Exports stack outputs

Question 4

Which CloudFormation feature allows you to reuse template snippets across multiple templates?

Accepted Answer

Nested Stacks

Answer

StackSets

Answer

Change Sets

Answer

Drift Detection

Question 5

What is a CloudFormation Change Set?

Accepted Answer

A preview of the changes CloudFormation will make before executing them

Answer

A set of parameters passed to a stack

Answer

A rollback plan for failed deployments

Answer

A list of deleted resources

Question 6

Which CloudFormation resource type allows you to run custom provisioning logic using Lambda during stack operations?

Accepted Answer

Custom Resource

Answer

CloudFormation Macro

Answer

StackSet

Answer

CloudFormation Hook