AZ-400 Container and Microservices Deployment — Questions and Answers
Question 1: What is the benefit of containerization in Azure DevOps deployments?
- Larger deployment packages
- Consistent environments from development through production (Correct answer)
- Slower deployments
- More manual configuration
Correct answer: Consistent environments from development through production
Containerization ensures applications run identically across all environments by packaging code with all its dependencies.
Question 2: Which Azure service is commonly used for container orchestration with Azure DevOps?
- Azure SQL
- Azure Kubernetes Service (AKS) (Correct answer)
- Azure Storage
- Azure AD
Correct answer: Azure Kubernetes Service (AKS)
Azure Kubernetes Service provides managed container orchestration, integrating with Azure DevOps for automated deployment of containerized applications.
Question 3: What is a container registry in Azure DevOps workflows?
- A code repository
- A storage service for container images (Correct answer)
- A build agent
- A test environment
Correct answer: A storage service for container images
A container registry stores and manages container images that are built in CI pipelines and deployed through CD pipelines.
Question 4: What is the sidecar pattern in microservices architecture?
- A backup database
- A companion container that provides supporting functionality to the main service (Correct answer)
- A deployment strategy
- A monitoring tool
Correct answer: A companion container that provides supporting functionality to the main service
The sidecar pattern deploys a companion container alongside the main service to provide cross-cutting functionality like logging or security.
Question 5: Which deployment strategy gradually shifts traffic to new container versions?
- Big bang deployment
- Canary deployment (Correct answer)
- Complete replacement
- Manual cutover
Correct answer: Canary deployment
Canary deployment gradually routes a small percentage of traffic to the new version, allowing validation before full rollout.
Question 6: What is a Helm chart used for in Kubernetes deployments?
- Creating virtual machines
- Packaging and managing Kubernetes application deployments (Correct answer)
- Writing unit tests
- Managing source control
Correct answer: Packaging and managing Kubernetes application deployments
Helm charts package Kubernetes resource definitions into reusable, versioned bundles that simplify application deployment and management.
AZ-400 Container and Microservices Deployment
What is the benefit of containerization in Azure DevOps deployments?