Develop Message-Based Solutions AZ-204 Practice Questions (Page 6)

Questions 26–30

1. 26application · medium

   A company is migrating a legacy on-premises application to Azure. The application currently sends messages to an on-premises queue using a connection string with a shared access key. The team wants to minimize code changes while transitioning to Azure Service Bus and also wants to avoid storing secrets in the application configuration. What should you do?

   • AUse a Service Bus connection string with the shared access key and store it in Azure Key Vault, referencing it from the application configuration.
   • BUse a managed identity and assign it to the application's virtual machine, then update the connection string to use the identity.
   • CUse Azure Queue Storage instead of Service Bus and keep the same connection string format.
   • DUse Azure AD authentication and update the application to use the DefaultAzureCredential class.
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2. 27foundation · easy

   A developer is designing a solution that requires reliable, ordered delivery of messages between two applications, with support for duplicate detection and dead-lettering. Which Azure service is specifically designed for these enterprise messaging scenarios?

   • AAzure Notification Hubs
   • BAzure Service Bus
   • CAzure Event Grid
   • DAzure Queue Storage
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4. 28foundation · easy

   What is the primary benefit of using message sessions in Azure Service Bus?

   • AGuaranteed message ordering within a session
   • BReduced storage costs
   • CIncreased message size limit
   • DAutomatic load balancing across multiple queues
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5. 29expert · hard

   A company uses Azure Service Bus sessions to process orders. Each order has multiple messages that must be processed in order. They are using a single worker to process all sessions. They need to increase throughput without breaking the order guarantee. What should they do?

   • AUse a single worker but increase the prefetch count.
   • BUse multiple workers and assign each worker a set of sessions.
   • CIncrease the number of workers and use a load balancer.
   • DUse a topic instead of a queue.
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6. 30foundation · easy

   Which of the following is a valid way to create a Service Bus queue in Azure?

   • AOnly by writing code using the Azure SDK
   • BOnly by using the Azure CLI
   • COnly by using the Azure Portal
   • DUsing the Azure Portal, Azure CLI, or an ARM template
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