Develop Message-Based Solutions AZ-204 Practice Questions (Page 8)

Questions 36–40

1. 36application · medium

   A financial services company is migrating its messaging infrastructure to Azure. They require that all messages be encrypted in transit and at rest, and that only specific applications can send and receive messages. They plan to use Azure Service Bus. Which combination of security measures should they implement?

   • AUse Shared Access Signatures (SAS) for authentication and rely on the default encryption.
   • BUse Azure Active Directory (now Microsoft Entra ID) with managed identities and enable encryption in transit and at rest.
   • CUse connection strings with embedded keys and disable anonymous access.
   • DUse a VPN gateway to connect to Service Bus and rely on network isolation.
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2. 37foundation · easy

   What is the role of a subscription in an Azure Service Bus topic?

   • AIt stores messages before they are sent to the topic
   • BIt receives a copy of every message sent to the topic
   • CIt provides a unique name for the topic
   • DIt filters messages before they are sent to the topic
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4. 38foundation · easy

   What is the maximum size of a single message that can be stored in Azure Queue Storage?

   • A256 KB
   • B4 MB
   • C1 MB
   • D64 KB
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5. 39application · medium

   A background worker in an Azure Function reads messages from an Azure Queue Storage queue. The worker must ensure that a message is not lost if the processing fails, and it should be retried later. The worker uses the Azure.Storage.Queues SDK. What should the worker do after receiving a message?

   • AUse PeekMessages to read the message without making it invisible, then process it.
   • BProcess the message, then call DeleteMessage to remove it from the queue only after successful processing.
   • CCall DeleteMessage immediately after receiving the message, then process it.
   • DCall UpdateMessage to set the visibility timeout to zero after receiving the message.
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6. 40application · medium

   A hospital system uses Azure Service Bus queues to transmit patient appointment updates. The system must guarantee that messages are not lost and that they are processed in the order they were sent. The team uses the latest .NET SDK. Which two features should they enable on the queue?

   • AEnable partitioning and set the MaxDeliveryCount to 10.
   • BEnable sessions and set the RequiresDuplicateDetection property to true.
   • CEnable dead-lettering and set the LockDuration to 5 minutes.
   • DEnable duplicate detection and set the time-to-live to 14 days.
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