Develop Event-Based Solutions AZ-204 Practice Questions (Page 10)

Questions 46–49

1. 46application · medium

   A telemetry platform ingests millions of IoT device messages per hour into an Azure Event Hubs namespace. Each device sends a device ID in the message properties. The team must ensure that messages from the same device are always processed in order by a downstream consumer. What should you do when sending messages?

   • AUse a random partition key for each message.
   • BAssign a unique message ID to each message.
   • CSet the partition key to the device ID.
   • DSend all messages to a single partition by using partition ID 0.
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2. 47foundation · easy

   Which feature can be used to restrict access to an Event Grid topic to a specific virtual network?

   • APrivate endpoints
   • BShared access signatures
   • CManaged identities
   • DEvent subscriptions
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4. 48application · medium

   A company uses Event Grid to trigger an Azure Automation runbook when a virtual machine is deallocated. The runbook sometimes fails and the team wants to be notified of failures. They also want to ensure that the runbook is not triggered multiple times for the same deallocation event. What should they do?

   • AUse a webhook endpoint that returns a 200 OK quickly and implement idempotency in the runbook.
   • BUse a queue as the event handler and process the message asynchronously.
   • CEnable duplicate detection on the event subscription.
   • DSet the event subscription's retry policy to 0.
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5. 49expert · hard · select all that apply

   A company is designing a solution that uses Azure Event Hubs to ingest clickstream data. They need to ensure that the data is processed in order for each user session and that the system can handle a sudden spike in traffic. They also need to be able to reprocess data from the last 24 hours for analytics. Select all that apply.

   • AUse a single consumer group for all consumers.
   • BEnable auto-inflate on the namespace.
   • CUse a random partition key to distribute load.
   • DSet the retention period to 24 hours.
   • EUse the user session ID as the partition key.
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