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Difficulty: EasyAzure Storage Accounts, Blob, Disk, Files, and Storage Tiers

A company is planning to deploy Azure virtual machines (IaaS) and configure storage solutions for different workloads. Which two statements describe the correct configuration or behavior of Azure storage? (Select two)

  1. Azure Disk Storage is used to host the operating system disks for Azure virtual machines.Answer
  2. Blobs stored in the Archive access tier must be rehydrated to an active tier before they can be read.Answer
  3. C
    Blobs stored in the Archive access tier can be accessed directly by application servers to maintain low-latency access.
  4. D
    Microsoft is responsible for managing the software configurations and data stored on the virtual machine disks.

Answer

Azure Disk Storage is used to host the operating system disks for Azure virtual machines, and blobs stored in the Archive access tier must be rehydrated to an active tier before they can be read.
Azure Disk Storage is the correct service for hosting virtual machine operating system disks because it provides persistent block storage. Additionally, the Archive tier of Azure Blob Storage is an offline storage tier designed for rarely accessed data, which requires a rehydration process to either the Hot or Cool tier before it can be read or accessed.

Step-by-Step Solution

1
Identify the storage requirements for Virtual Machine OS disks.
Azure Disk Storage provides block storage volumes that are attached to virtual machines.
Virtual machines require persistent block storage (disks) for their operating systems rather than object or file storage.
2
Evaluate the behavior of the Archive storage tier.
Data in the Archive tier is stored offline and cannot be read directly without being moved back to an online tier.
The Archive tier is optimized for rare access and lower costs, requiring a rehydration process that can take several hours.
3
Verify shared responsibility boundaries for Infrastructure as a Service (IaaS).
The customer retains full administrative control and responsibility over the VM operating system and data.
IaaS shifts physical hardware management to the cloud provider, but operating system patching and data management remain the customer's responsibility.

Key Concept

Azure storage options differ by latency, access tier capability, and shared responsibility bounds.
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Topics

Azure Storage Accounts, Blob, Disk, Files, and Storage Tiers

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