Develop Event- and Message-Based AI Solutions AI-200 Practice Questions (Page 8)

Questions 36–40

1. 36foundation · easy

   Which Azure service is commonly used as an Event Grid handler to run code in response to an event without managing servers?

   • AAzure Virtual Machines
   • BAzure Functions
   • CAzure SQL Database
   • DAzure Blob Storage
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2. 37expert · hard

   A company wants to build an event-driven solution that reacts to Azure resource changes, such as VM creation and deletion. They need to trigger an Azure Function for each event and ensure that events are not lost if the function is temporarily unavailable. They also want to avoid polling. What should they use?

   • AAzure Service Bus queue with a listener that polls for new messages.
   • BAzure Event Grid with a system topic for Azure resource events and an event subscription targeting the Azure Function.
   • CAzure Event Hubs with a consumer group that the Azure Function reads from.
   • DAzure Monitor alerts with a webhook that calls the Azure Function.
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4. 38expert · hard

   A company uses Azure Event Grid to trigger a workflow when a new file is added to a storage account. The workflow is critical and must not miss any events. The team is concerned about the possibility of the event handler being unavailable during maintenance. What should they do to ensure no events are lost?

   • AEnable dead-lettering on the event subscription and configure a retry policy with a high maximum retry count.
   • BDisable dead-lettering to avoid storing failed events and rely on the default retry policy.
   • CSet the retry policy to a maximum of 1 retry to avoid overloading the handler.
   • DUse a Service Bus queue as the event handler and have the workflow poll the queue.
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5. 39expert · hard

   A company uses a Service Bus queue for order processing. They have a requirement that messages must be processed in order per customer. They also need to handle poison messages that cannot be processed. They want to ensure that a poison message for one customer does not block processing for other customers. What should they do?

   • AUse a queue with duplicate detection enabled.
   • BUse a session-enabled queue with session ID set to the customer ID, and enable dead-lettering.
   • CUse a topic with a filter on customer ID.
   • DUse a regular queue and set the message time-to-live to a short duration.
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6. 40application · medium

   A company uses Azure Event Grid to route events from multiple Azure services. They have a single event subscription that currently receives all events from a storage account, including blob created, blob deleted, and blob renamed events. They want to modify the subscription so that only 'Microsoft.Storage.BlobCreated' events are delivered to the endpoint. What should they configure?

   • AAdd an event type filter that includes only 'Microsoft.Storage.BlobCreated'.
   • BAdd a subject filter with a prefix and suffix to match the blob path.
   • CCreate a new storage account and move all blob creation operations to it.
   • DModify the endpoint to ignore events that are not blob created.
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