N10-005 Question #644: Real Exam Question with Answer & Explanation

The correct answer is D: Allow TCP port 3389 inbound. Remote Desktop Protocol (RDP) uses TCP port 3389. When an employee at home connects to their work computer, the connection arrives at the corporate network - meaning the firewall must allow inbound TCP port 3389 traffic to reach the target work computers. UDP port 3389 is incorre

Question

An organization recently installed a firewall on the network. Employees must have access to their work computer from their home computer. In which of the following ways should the firewall be configured?

Options

AAllow TCP port 3389 outbound
BAllow UDP port 3389 inbound
CAllow UDP port 3389 outbound
DAllow TCP port 3389 inbound

Explanation

Remote Desktop Protocol (RDP) uses TCP port 3389. When an employee at home connects to their work computer, the connection arrives at the corporate network - meaning the firewall must allow inbound TCP port 3389 traffic to reach the target work computers. UDP port 3389 is incorrect because RDP uses TCP. An outbound rule would not help home users connect inward; the firewall must accept the incoming RDP session on TCP 3389.

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