Crucial Exams

Microsoft Azure Developer Associate AZ-204 Practice Question

A C# Azure Function receives 4-KB JSON payloads from thousands of IoT devices every few seconds. Each payload must be appended to the existing telemetry.log blob in the iot container without overwriting prior data, even as the blob grows to multiple GB. Using Azure.Storage.Blobs, which implementation satisfies this requirement?

  • Create an instance of AppendBlobClient for telemetry.log and call AppendBlockAsync with the payload for every message.

  • Create a PageBlobClient and call UploadPagesAsync specifying the next page offset for each payload.

  • Create a BlobClient and call UploadAsync with BlobUploadOptions configured in append mode.

  • Create a BlockBlobClient and call StageBlockAsync for each payload, then CommitBlockListAsync periodically.

Microsoft Azure Developer Associate AZ-204
Develop for Azure storage
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