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SK0-003 · Question #723

Which of the following ports does RDP use by default?

The correct answer is D. 3389. Remote Desktop Protocol (RDP) utilizes a specific TCP port by default for establishing remote connections to servers.

Server administration

Question

Which of the following ports does RDP use by default?

Options

  • A23
  • B902
  • C1677
  • D3389

How the community answered

(41 responses)
  • A
    2% (1)
  • B
    2% (1)
  • C
    5% (2)
  • D
    90% (37)

Why each option

Remote Desktop Protocol (RDP) utilizes a specific TCP port by default for establishing remote connections to servers.

A23

Port 23 is used by Telnet, an unencrypted terminal emulation protocol that is generally considered insecure for modern use.

B902

Port 902 is commonly associated with VMware ESXi hosts for client connections or used by VMware vCenter Server for certain management traffic.

C1677

Port 1677 is not a standard or commonly recognized default port for any major IT service or protocol.

D3389Correct

Remote Desktop Protocol (RDP) clients connect to RDP servers, such as those running on Windows, using TCP port 3389 by default. This port facilitates the transmission of graphical interface data and user input between the client and server for remote management.

Concept tested: Default port for Remote Desktop Protocol (RDP)

Source: https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/rdp-ports

Topics

#RDP#Network ports#Remote access

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