AZ-400 Continuous Delivery 3

Question 1

Which rolling deployment strategy in Azure Pipelines gradually replaces old instances with new ones without taking all instances offline?

Accepted Answer

Rolling

Answer

A rolling strategy updates a subset of instances at a time, reducing risk by keeping most of the fleet running the old version during the rollout.

Question 2

A pipeline must download a secure configuration file from Azure Key Vault at deploy time. Which integration approach is recommended?

Accepted Answer

Use the Azure Key Vault task to fetch secrets into pipeline variables

Answer

The Azure Key Vault task retrieves secrets at runtime and maps them to pipeline variables without exposing them in YAML.

Question 3

What does the 'maxParallel' property control in a rolling deployment strategy within a YAML pipeline?

Accepted Answer

How many targets receive the new deployment simultaneously

Answer

'maxParallel' limits how many deployment targets are updated at the same time during a rolling deployment.

Question 4

Which Azure service provides a fully managed Helm chart repository that integrates natively with Azure Pipelines for CD to AKS?

Accepted Answer

Azure Artifacts

Answer

Azure Artifacts supports hosting Helm charts and integrates with pipelines, enabling versioned chart delivery to AKS clusters.

Question 5

A team needs to prevent deployments to production unless an Azure Monitor alert is in a healthy state. Which pipeline feature should they configure?

Accepted Answer

Azure Monitor release gate

Answer

The Azure Monitor release gate queries alert rules and blocks the deployment stage if any alerts are firing.

AZ-400 Practice Test