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AZ-104 Practice Question 99: Standard Public IP Needs NSG

Microsoft Azure Administrator Associate (AZ-104) · Test 10 · question 9 of 10

Virtual Networkingeasy

A virtual machine has a Standard SKU public IP address, and its network interface and subnet have no network security group. Connections to the machine on port 3389 from the internet fail.

What should the administrator do?

Select one answer
Show answer and explanation

Answer:

  • A. Create a network security group that allows the traffic and associate it with the network interface or subnet

Standard SKU public IP addresses are secure by default and closed to inbound traffic until a network security group explicitly allows it. Allowing the port, ideally from known source addresses only, opens access.

Option B changes how the address is allocated and has no effect on filtering.

Option C lets the machine forward packets that are not addressed to it and is unrelated.

Option D controls outbound routing; it does not permit inbound connections.

Reference: Public IP addresses in Azure

Practice Test 10 ›

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