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Difficulty: HardConfigure Public and Private IP Addresses

An enterprise administrator is tasked with updating the network configuration of a virtual machine named VM-Backend located in the West US 2 region. The virtual machine has a single network interface named nic-backend, which is currently a member of the backend pool of a Standard Load Balancer named LB-App.

To host a new secure database management service, you must configure a secondary IP configuration on nic-backend. This secondary configuration requires a public IP address.

Which two actions should you perform to configure the secondary IP configuration? (Choose two.)

  1. Create a public IP address that uses the Standard SKU and Static allocation.Answer
  2. Associate the Standard SKU public IP address with the secondary IP configuration on nic-backend.Answer
  3. C
    Create a public IP address that uses the Basic SKU and Static allocation.
  4. D
    Create a public IP address that uses the Standard SKU and Dynamic allocation.

Answer

Create a public IP address that uses the Standard SKU and Static allocation, and associate the Standard SKU public IP address with the secondary IP configuration on nic-backend.
For a virtual machine associated with a Standard Load Balancer, any associated public IP addresses must match the Standard SKU. Standard SKU public IP addresses require the Static allocation method. Therefore, you must create a Standard SKU public IP with Static allocation and associate it with the secondary IP configuration on the network interface.

Step-by-Step Solution

1
Determine the required SKU for the public IP address based on the load balancer configuration.
Since the VM's network interface is a member of the backend pool of a Standard Load Balancer, the public IP address must also be of the Standard SKU.
Standard Load Balancers do not support mixing Basic SKU public IPs with Standard SKU backend resources.
2
Determine the allocation method for the Standard SKU public IP.
Select the Static allocation method.
Standard SKU public IP addresses require Static allocation when configured in this environment.
3
Configure the secondary IP configuration on the network interface.
Associate the newly created Standard SKU public IP address with the secondary IP configuration on nic-backend.
This binds the public IP to the secondary private IP address configured on the network interface.

Key Concept

Configure Public and Private IP Addresses
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Topics

Configure Public and Private IP Addresses

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