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Question

Difficulty: EasyConfigure Azure Bastion

You plan to deploy Azure Bastion to a virtual network named VNet1. You need to create the dedicated subnet required for the Azure Bastion host. Which subnet configuration should you use?

  1. A
    Name: BastionSubnet; address prefix: /26
  2. Name: AzureBastionSubnet; address prefix: /26Answer
  3. C
    Name: AzureBastionSubnet; address prefix: /27
  4. D
    Name: GatewaySubnet; address prefix: /26

Answer

Name: AzureBastionSubnet; address prefix: /26
The correct subnet configuration specifies the name 'AzureBastionSubnet' and has an address space size of /26 or larger. This matches Azure's strict provisioning requirements for the Bastion service.

Step-by-Step Solution

1
Identify the naming requirement for the Azure Bastion subnet.
The subnet name must be exactly AzureBastionSubnet.
Azure Bastion looks for a subnet with this exact name during deployment; any other name will cause the deployment to fail.
2
Determine the minimum subnet prefix size requirement.
The minimum prefix size is /26 (which provides 64 IP addresses).
Azure Bastion requires a /26 or larger subnet to accommodate the scaling and internal infrastructure needs of the service.
3
Select the configuration that satisfies both requirements.
Name: AzureBastionSubnet; address prefix: /26 is the correct choice.
It matches the exact required name and the minimum subnet size requirement.

Key Concept

Azure Bastion subnet configuration requirements
Estimated Time:45s
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Topics

Configure Azure Bastion

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