CREST Practitioner Security Analyst (CPSA) 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 485

Which port number is used for Remote Desktop Protocol?

3389

The port number used for Remote Desktop Protocol (RDP) is 3389. RDP is a proprietary protocol developed by Microsoft that allows users to connect to another computer over a network connection and provides a graphical interface for remote management. The choice of port 3389 is significant because it is specifically reserved for RDP traffic, ensuring that remote desktop connections can be identified and routed appropriately by firewalls and routers.

Understanding the context of this port is essential for network administration and security analysis, as remote desktop services are commonly targeted for unauthorized access. Therefore, knowing this port number can help professionals in security roles to configure firewalls, monitor network traffic, and implement appropriate security measures to protect against potential vulnerabilities associated with remote desktop connections.

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