DevOps Engineering on AWS Certification Infrastructure as Code with CloudFormation and CDK 2

Question 1

What is the purpose of CloudFormation StackSets?

Accepted Answer

To deploy CloudFormation stacks across multiple accounts and regions simultaneously

Answer

CloudFormation StackSets extend CloudFormation to deploy stacks across multiple AWS accounts and regions in a single operation.

Question 2

Which CloudFormation template section is used to define conditions that control whether resources are created?

Accepted Answer

Conditions

Answer

The Conditions section defines logical conditions that can control whether specific resources are created or properties are assigned.

Question 3

In AWS CDK, what must be done before deploying CDK apps to a new account or region for the first time?

Accepted Answer

Run cdk bootstrap

Answer

Running cdk bootstrap provisions the necessary CDK toolkit resources (like an S3 bucket) in the target account and region before first deployment.

Question 4

A CloudFormation stack update fails midway. What happens to the stack by default?

Accepted Answer

CloudFormation automatically rolls back to the previous stable state

Answer

By default, CloudFormation rolls back all changes to the previous stable state when a stack update fails.

Question 5

Which CloudFormation function substitutes variables in a string with values from parameters, resources, or pseudo-parameters?

Accepted Answer

Fn::Sub

Answer

Fn::Sub substitutes variables in an input string, replacing ${VariableName} placeholders with parameter values, resource attributes, or pseudo-parameters.

DevOps Engineering on AWS Certification Practice Test

DevOps Engineering on AWS Certification Practice Test

DevOps Engineering on AWS Certification Infrastructure as Code with CloudFormation and CDK 2