Microsoft Certification Azure Developer Associate (AZ-204) 2

Question 1

Which Azure caching service is based on open-source Redis and reduces database load?

Accepted Answer

Azure Cache for Redis

Answer

Azure Cache for Redis is a fully managed in-memory data store based on Redis, used to cache frequently accessed data and reduce backend database load.

Question 2

What is the difference between Azure Queue Storage and Azure Service Bus queues?

Accepted Answer

Service Bus supports advanced messaging features like dead-letter queues, transactions, and sessions; Queue Storage is simpler

Answer

Azure Service Bus provides enterprise messaging features like message sessions, dead-lettering, and transactions, while Queue Storage is a simpler, highly scalable HTTP-based queue.

Question 3

In Azure Functions, what is a 'binding'?

Accepted Answer

A declarative way to connect a function to data sources or destinations without writing code

Answer

Bindings in Azure Functions declaratively connect functions to input data sources or output destinations like Storage, Service Bus, or Cosmos DB without boilerplate code.

Question 4

Which Azure App Service feature enables zero-downtime deployments by swapping staging and production environments?

Accepted Answer

Deployment slots

Answer

Deployment slots allow you to deploy a new version to a staging slot, validate it, then swap it with production for zero-downtime releases with instant rollback.

Question 5

What is Managed Identity in Azure, and what problem does it solve?

Accepted Answer

An automatically managed identity for Azure resources that eliminates the need for storing credentials in code

Answer

Managed Identity provides Azure services with an auto-managed Azure AD identity, allowing them to authenticate to other Azure services without storing credentials in code or config.

Microsoft Certification Practice Test

Microsoft Certification Practice Test

Microsoft Certification Azure Developer Associate (AZ-204) 2