AZ-400 Continuous Delivery 2

Question 1

Which Azure DevOps feature allows you to require a manual approval before a deployment proceeds to a production stage?

Accepted Answer

Pre-deployment approval gate

Answer

Pre-deployment approvals in Azure Pipelines let you designate approvers who must sign off before a stage begins.

Question 2

A team wants to deploy to Azure App Service only when code coverage stays above 80%. Which mechanism enforces this in a release pipeline?

Accepted Answer

Quality gate

Answer

Quality gates query external services (like SonarCloud) and block or allow deployment based on metric thresholds.

Question 3

What is the purpose of a deployment slot in Azure App Service during a continuous delivery process?

Accepted Answer

It allows zero-downtime deployments via slot swap

Answer

Deployment slots let you deploy to a staging slot and then swap it with production, achieving near-zero downtime.

Question 4

Which artifact source type in Azure Pipelines supports triggering a release pipeline when a new Docker image is pushed?

Accepted Answer

Azure Container Registry

Answer

Azure Container Registry can be configured as an artifact source, triggering releases when a new image tag is pushed.

Question 5

A YAML pipeline uses the 'environment' keyword targeting a Kubernetes namespace. What additional capability does this unlock?

Accepted Answer

Deployment history tracking and approvals at the environment level

Answer

Using environments in YAML pipelines enables deployment history, traceability, and approval/check policies at the environment scope.

AZ-400 Practice Test