AZ-400 Deployment Patterns 2

Question 1

In a ring deployment, what is the primary purpose of 'Ring 0'?

Accepted Answer

Deploy to internal Microsoft/team users first for early validation

Answer

Ring 0 targets internal users (dogfooding) so the team validates changes before any external exposure.

Question 2

Which Azure DevOps feature allows you to gate a deployment stage until specific work items are linked to the release?

Accepted Answer

Release gates with work item query

Answer

Release gates can query Azure Boards work items so a stage only proceeds when required items are in the correct state.

Question 3

A team uses feature flags to decouple deployment from release. Which tool is natively integrated with Azure DevOps for feature flag management?

Accepted Answer

Azure App Configuration with feature management

Answer

Azure App Configuration provides a feature management library that integrates natively with Azure DevOps pipelines and .NET applications.

Question 4

During a canary deployment in AKS, you want to route exactly 20% of traffic to the new version. Which Kubernetes resource controls this traffic split?

Accepted Answer

Ingress with NGINX annotations or a service mesh weight

Answer

NGINX Ingress canary annotations or a service mesh (like Istio) VirtualService weights control the percentage of traffic routed to each deployment.

Question 5

What does 'deployment frequency' measure in DORA metrics, and what does a 'Elite' rating require?

Accepted Answer

How often code is deployed to production; on-demand or multiple times per day

Answer

Deployment frequency measures how often an organization successfully releases to production; Elite performers deploy on-demand or multiple times per day.

AZ-400 Practice Test

AZ-400 Practice Test

AZ-400 Deployment Patterns 2