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Difficulty: EasyConfigure Public and Private IP Addresses

An administrator is configuring public and private IP addresses for an Azure Virtual Machine (VM) network interface (NIC). Which of the following configurations are valid? (Select two.)

  1. Add multiple IP configurations to the NIC, with each configuration assigned a unique private IP addressAnswer
  2. Associate a Standard SKU public IP address using Static allocation to an IP configuration on the NICAnswer
  3. C
    Configure a single IP configuration on the NIC to contain multiple private IP addresses
  4. D
    Associate a Standard SKU public IP address using Dynamic allocation to the primary IP configuration

Answer

Adding multiple IP configurations to the NIC (each assigned a unique private IP address) and associating a Standard SKU public IP address using Static allocation are valid configurations.
Azure network interfaces allow multiple IP configurations, where each configuration holds exactly one private IP address. Additionally, you can associate a public IP address with any IP configuration on a NIC, but if a Standard SKU public IP address is used, it must be configured with Static allocation.

Step-by-Step Solution

1
Analyze the capacity of a single IP configuration on a NIC.
An individual IP configuration on a NIC can map to exactly one private IP address.
To support multiple private IP addresses on a single NIC, multiple distinct IP configurations must be created.
2
Analyze the SKU and allocation method requirements for Standard SKU Public IP addresses.
Standard SKU Public IPs require Static allocation.
Dynamic allocation is unsupported for Standard SKU public IP addresses in Azure.

Key Concept

Azure VM NICs support multiple IP configurations, each containing one private IP. Standard SKU public IP addresses only support Static allocation.
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Topics

Configure Public and Private IP Addresses

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