XK0-004 · Question #513
Which of the following allows communication over port 3389 to access GUI services?
The correct answer is A. XRDP. Port 3389 is the well-known port for the Remote Desktop Protocol (RDP), and XRDP is the open-source RDP server implementation that exposes a full Linux GUI over that port.
Question
Which of the following allows communication over port 3389 to access GUI services?
Options
- AXRDP
- BVNC
- CXfce
- DKDE
- EX-forwarding
How the community answered
(24 responses)- A92% (22)
- B4% (1)
- D4% (1)
Why each option
Port 3389 is the well-known port for the Remote Desktop Protocol (RDP), and XRDP is the open-source RDP server implementation that exposes a full Linux GUI over that port.
XRDP is an open-source server that implements the Microsoft Remote Desktop Protocol on Linux, listening by default on TCP port 3389. It translates RDP client connections into sessions with a Linux desktop environment, providing full GUI access. No other option in this list uses port 3389.
VNC (Virtual Network Computing) provides GUI access but uses ports in the 5900+ range, not port 3389.
Xfce is a lightweight Linux desktop environment, not a remote access protocol or network service.
KDE is a Linux desktop environment and application framework, not a remote access protocol or network service.
X-forwarding tunnels individual X11 application windows over SSH (port 22) and does not provide a full remote desktop session on port 3389.
Concept tested: RDP port 3389 and XRDP remote GUI access
Source: https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/remote-desktop-allow-access
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