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AZ-801 · Question #125

While using NSG to control outbound connectivity, it is recommended to allow a number of different service tags. Which of the following service tag-based NSG rule would you need to create to enable…

The correct answer is D. AzureKeyVault service tag. Replicating ADE-enabled VMs via Azure Site Recovery requires the AzureKeyVault NSG service tag because the replication process must access Key Vault to retrieve disk encryption keys.

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Question

While using NSG to control outbound connectivity, it is recommended to allow a number of different service tags. Which of the following service tag-based NSG rule would you need to create to enable replication of ADE-enabled virtual machines via the portal?

Options

  • AAzure Active Directory (AAD) service tag
  • BEventsHub service tag
  • CAzureSiteRecovery service tag
  • DAzureKeyVault service tag
  • EGuestAndHybridManagement service tag

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    10% (3)
  • D
    83% (25)
  • E
    3% (1)

Why each option

Replicating ADE-enabled VMs via Azure Site Recovery requires the AzureKeyVault NSG service tag because the replication process must access Key Vault to retrieve disk encryption keys.

AAzure Active Directory (AAD) service tag

The AAD service tag covers Azure Active Directory authentication traffic generally and is not the specific tag required for ADE key retrieval during VM replication.

BEventsHub service tag

The EventHub service tag covers Azure Event Hubs traffic and is unrelated to ADE-enabled VM replication requirements.

CAzureSiteRecovery service tag

The AzureSiteRecovery service tag enables general ASR replication traffic but is not the specific tag required to support ADE key vault communication during replication.

DAzureKeyVault service tagCorrect

Azure Disk Encryption stores disk encryption keys and secrets in Azure Key Vault; during replication of ADE-enabled VMs, Azure Site Recovery must communicate outbound with Key Vault to access those keys, requiring an NSG rule that allows the AzureKeyVault service tag.

EGuestAndHybridManagement service tag

The GuestAndHybridManagement service tag covers Azure Automation and guest configuration agent traffic, not ADE Key Vault access.

Concept tested: NSG service tags for ADE-enabled VM replication

Source: https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-about-networking#outbound-connectivity-using-service-tags

Topics

#Network Security Groups#Azure Disk Encryption#Azure Key Vault#Service Tags

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