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Difficulty: MediumAzure Virtual Machine Recovery and Restore

You are maintaining a multi-tier application in Azure. One of the virtual machines, `vm-payroll`, has two network interfaces (NICs) and is backed up to a Recovery Services vault. After a corrupt application update, you must restore the virtual machine's operational state.

Which of the following recovery options in the Azure portal support this configuration? (Select two.)

  1. Replace existingAnswer
  2. Restore disksAnswer
  3. C
    Create virtual machine
  4. D
    File Recovery

Answer

Replace existing and Restore disks are the supported recovery options for virtual machines with multiple network interfaces.
For virtual machines with multiple network interfaces, Azure Backup supports 'Replace existing' (which retains the current VM shell and its multiple NICs) and 'Restore disks' (which recovers the VHD files to a storage account so they can be deployed manually using an ARM template or PowerShell with the required network configuration).

Step-by-Step Solution

1
Identify the constraints of the virtual machine configuration.
The virtual machine `vm-payroll` has multiple network interfaces (NICs).
Azure Backup restore options have different support matrices based on VM configurations such as multiple NICs.
2
Evaluate the 'Create virtual machine' option.
The 'Create virtual machine' option only supports restoring a VM with a single NIC.
To determine if direct VM recreation is possible.
3
Evaluate the remaining restore options.
The 'Replace existing' option swaps the disks on the current VM and preserves NIC configuration. The 'Restore disks' option outputs the VHDs, which can then be deployed manually with multiple NICs.
To identify the supported restore paths.

Key Concept

Azure VM Backup restore options and their network configuration constraints
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Topics

Azure Virtual Machine Recovery and Restore

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