Crucial Exams

Microsoft Azure Developer Associate AZ-204 Practice Question

You are building a C# application that uses the Azure.Storage.Blobs v12 SDK to manage files. Before editing a block blob, the app calls GetPropertiesAsync and stores the blob's current ETag value. You must upload the updated content so that the operation succeeds only if the blob has not been modified since it was read. Which implementation meets the requirement?

  • Call UploadAsync and set the AccessTier property of BlobUploadOptions to Hot.

  • Set TransferOptions.MaxConcurrency to 1 in BlobUploadOptions before calling UploadAsync.

  • Call UploadAsync with a BlobUploadOptions instance whose Conditions.IfMatch property is set to the stored ETag.

  • Invoke SetHttpHeadersAsync to apply headers, then call UploadAsync without additional options.

Microsoft Azure Developer Associate AZ-204
Develop for Azure storage
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