Develop Event- and Message-Based AI Solutions AI-200 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A media company uses an Azure Service Bus topic to publish video-upload events. Two subscriber applications exist: one that transcodes all videos and another that only generates thumbnails for videos shorter than 10 minutes. The team wants to ensure that only the thumbnail generator receives short-video events. What should you configure?

   • AUse a queue instead of a topic and have the thumbnail application peek all messages to decide which to process.
   • BCreate two subscriptions and add a SQL filter to the thumbnail subscription that matches the video duration property.
   • CCreate a single subscription and have the thumbnail application filter out long videos after receiving all messages.
   • DCreate two separate topics and have the publisher send short-video events to a different topic.
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2. 7foundation · easy

   Which type of Event Grid topic should you use to publish custom events from your own application?

   • APartner topic
   • BCustom topic
   • CSystem topic
   • DDomain topic
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4. 8application · medium

   A startup wants to build a custom event-driven system where their internal applications publish events to Azure Event Grid. They need to publish events that contain a custom schema with fields like 'orderId' and 'amount'. They also want to ensure that events are delivered to multiple subscribers. What should they do?

   • ACreate a custom topic in Event Grid and publish events using the Event Grid schema.
   • BUse Azure Queue Storage and have each subscriber poll the queue.
   • CCreate an Event Hub and publish events to a consumer group.
   • DUse an Azure Service Bus topic and publish events using the Service Bus message format.
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5. 9application · medium

   A media company publishes a 'video.uploaded' event whenever a new video is uploaded. They need to trigger two independent workflows: one to generate a thumbnail and another to start transcoding. They also want to ensure that if the transcoding workflow is temporarily down, the event is not lost and can be processed later. Which Azure Service Bus feature should they use?

   • ATwo separate Service Bus queues, with the publisher sending a copy of each message to both queues.
   • BAn Azure Event Grid topic with two event subscriptions.
   • CA Service Bus topic with two subscriptions, one for each workflow, and each subscription using a queue.
   • DA single Service Bus queue with two competing consumers.
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6. 10foundation · easy

   What is the primary purpose of a dead-letter queue (DLQ) in Azure Service Bus?

   • ATo hold messages that cannot be processed successfully and need separate handling
   • BTo temporarily store messages before they are delivered to the main queue
   • CTo provide a backup queue for high-throughput scenarios
   • DTo store messages that have been successfully processed for auditing
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