Which of the following protocols uses port 3389 by default?

The correct answer is A. RDP. Remote Desktop Protocol (RDP) uses TCP port 3389 by default. RDP is a Microsoft protocol that allows users to remotely connect to and control a Windows desktop over a network. It is commonly used for remote administration and remote work. TFTP (B) uses UDP port 69 for trivial…

Networking concepts

Question

Options

ARDP
BTFTP
CIMAP
DDNS

How the community answered

(31 responses)

A
94% (29)
B
3% (1)
C
3% (1)

Explanation

Remote Desktop Protocol (RDP) uses TCP port 3389 by default. RDP is a Microsoft protocol that allows users to remotely connect to and control a Windows desktop over a network. It is commonly used for remote administration and remote work. TFTP (B) uses UDP port 69 for trivial file transfers. IMAP (C) uses TCP port 143 (or port 993 for IMAPS/encrypted) for retrieving email from a mail server. DNS (D) uses UDP/TCP port 53 for domain name resolution. Port number memorization is heavily tested on networking certifications like CompTIA Network+.

Topics

#RDP#port 3389#well-known ports#remote desktop

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