COMPTIA A+ Practice Exam

Question: 1 / 525

What port number is used for RDP?

8080

443

3389

RDP, which stands for Remote Desktop Protocol, primarily uses port number 3389 for establishing connections. This protocol allows users to connect to a remote computer over a network, enabling them to access the desktop interface and control the system as if they were sitting in front of it. The selection of port 3389 is standardized, making it the default for RDP communications.

As a point of reference, the other port numbers listed serve different functions: 8080 is commonly used for web traffic, particularly for alternative web servers; 443 is designated for secure HTTPS connections; and 25 is traditionally used for SMTP (Simple Mail Transfer Protocol) to send emails. Understanding the specific ports assigned to various protocols is crucial for network configuration and troubleshooting, ensuring that remote connections function correctly.

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