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AZ-204 - Training - Developing Solutions for Microsoft Azure

Companion material and resources for the course 'Developing Solutions for Microsoft Azure' delivery by Ricardo Cabral.

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Learning Path 3: AZ-204: Develop solutions that use Blob storage

Multiple-choice questions

  1. Which of the following types of blobs are used to store virtual hard drive files?

    • A. Block blobs
    • B. Append blobs
    • C. Page blobs

    Show answer Page blobs

  2. Which of the following types of storage accounts is recommended for most scenarios using Azure Storage?

    • A. General-purpose v2
    • B. General-purpose v1
    • C. FileStorage

    Show answer General-purpose v2

  3. Which access tier is considered to be offline and can’t be read or modified?

    • A. Cool
    • B. Archive
    • C. Hot

    Show answer Archive

  4. Which of the following storage account types supports lifecycle policies?

    • A. General Purpose v1
    • B. General Purpose v2
    • C. FileStorage

    Show answer General Purpose v2

  5. Which of the following standard HTTP headers are supported for both containers and blobs when setting properties by using REST?

    • A. Last-Modified
    • B. Content-Length
    • C. Origin

    Show answer Last-Modified

  6. Which of the following classes of the Azure Storage client library for .NET allows you to manipulate both Azure Storage containers and their blobs?

    • A. BlobClient
    • B. BlobContainerClient
    • C. BlobUriBuilde

    Show answer BlobContainerClient

Open ended questions

  1. What are Azure blobs and what four access tiers are provided?

    Show answer Azure blob storage stores unstructured data. Blob storage can store any type of text or binary data. For example, images and video. The hot tier is optimized for frequent access of objects in the storage account. The cool tier is optimized for storing large amounts of data that is infrequently accessed and stored for at least 30 days. The cold tier is optimized for storing data that is infrequently accessed and stored for a minimum of 90 days. The cold tier has lower storage costs and higher access costs compared to the cool tier. The archive tier is optimized for data that can tolerate several hours of retrieval latency and will remain in the Archive tier for at least 180 days.

  2. Describe some of the security capabilities Azure Storage provides that enable developers to build secure applications.

    Show answer All data written to Azure Storage is automatically encrypted using Storage Service Encryption. You can use Microsoft Entra ID and Role-Based Access Control for both resource management and data operations. You can also use shared access signatures to delegate access to data object in Azure Storage.

  3. Blob containers support system properties and user-defined metadata, in addition to the data they contain. What is user-defined metadata and how it is specified?

    Show answer User-defined metadata consists of one or more name-value pairs that you specify for a Blob storage resource. You can use metadata to store additional values with the resource. Metadata values are for your own purposes only, and do not affect how the resource behaves

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