AZ-204 Question #318: Real Exam Question with Answer & Explanation

Question

Drag and Drop Question You are implementing an Azure solution that uses Azure Cosmos DB and the latest Azure Cosmos DB SDK. You add a change feed processor to a new container instance. You attempt to read a batch of 100 documents. The process fails when reading one of the documents. The solution must monitor the progress of the change feed processor instance on the new container as the change feed is read. You must prevent the change feed processor from retrying the entire batch when one document cannot be read. You need to implement the change feed processor to read the documents. Which features should you use? To answer, drag the appropriate features to the cored requirements. Each feature may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each cored selection is worth one point. Answer:

Explanation

The Change Feed Estimator is used to monitor the progress of the change feed processor instance by providing metrics on how far behind the processor is relative to the current state of the change feed. The Dead-letter Queue handles documents that cannot be processed successfully by routing failed documents (like the one unreadable document in the batch) to a separate queue, preventing the processor from retrying the entire batch and allowing processing to continue with the remaining documents.

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