Develop Message-Based Solutions AZ-204 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   After a worker processes a message from an Azure Queue Storage queue, what must the worker do to prevent the message from being processed again?

   • ACall DeleteMessage
   • BCall CompleteMessage
   • CCall RemoveMessage
   • DCall ClearMessage
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2. 22foundation · easy

   What is the primary purpose of Azure Queue Storage?

   • ATo route events to multiple subscribers
   • BTo provide a simple message queue for communication between application components
   • CTo store large binary files
   • DTo store NoSQL data
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4. 23expert · hard

   A financial services firm has a Service Bus queue that processes high-value transactions. The compliance team requires that every message be processed exactly once, but the current system occasionally processes duplicates due to retries. The team also needs to maintain order for messages that belong to the same transaction group. They are willing to accept a small increase in latency. What should they implement?

   • AUse a topic with a subscription per transaction group and a SQL filter.
   • BUse a FIFO queue in Azure Queue Storage with a visibility timeout.
   • CSet the MaxDeliveryCount to 1 and disable auto-forwarding.
   • DEnable duplicate detection on the queue and use sessions with the transaction group ID as the SessionId.
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A small business is building a simple order processing system using Azure Queue Storage. They need to ensure that only authorized applications can access the queue and that messages are not lost if a worker crashes. They plan to use the Azure SDK for .NET. What should they implement?

   • AUse a private endpoint and set the queue to be publicly accessible.
   • BUse the account key in the connection string and set the message time-to-live to 7 days.
   • CUse Azure AD authentication with managed identities and set a visibility timeout of 30 seconds.
   • DUse a shared access signature (SAS) for authentication and set the visibility timeout to 0.
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6. 25foundation · easy

   Which of the following is required to create a queue in Azure Queue Storage?

   • AAn Azure Logic Apps workflow
   • BAn Azure Storage account
   • CA Service Bus namespace
   • DAn Azure Event Hubs namespace
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