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Difficulty: MediumRemote Access Technologies and Tools

Match each remote access technology or protocol on the left with its primary operational security or network characteristic on the right.

  • Remote Desktop Protocol (RDP)Provides full remote graphical desktop access to Windows Pro/Enterprise host systems over TCP port 3389.
  • Secure Shell (SSH)Provides an encrypted CLI connection for remote administration over TCP port 22.
  • Microsoft Remote Assistance (MSRA)Allows a user to send an invitation file or pass code for a remote technician to view and share control of an active desktop session.
  • TelnetTransmits unencrypted command-line session data and credentials in plain text over TCP port 23.

Answer

RDP matches with full graphical desktop access over TCP port 3389; SSH matches with encrypted CLI administration over TCP port 22; MSRA matches with invitation-based interactive desktop session sharing; Telnet matches with unencrypted plain text command-line access over TCP port 23.
Each technology is correctly paired with its specific security and operational characteristic: RDP provides full remote GUI access on TCP 3389; SSH delivers encrypted CLI access on TCP 22; MSRA enables user-invited session sharing; and Telnet sends unencrypted CLI traffic on TCP 23.

Step-by-Step Solution

1
Identify the protocol transport and port specifications for terminal protocols.
SSH uses TCP port 22 (encrypted CLI), whereas Telnet uses TCP port 23 (unencrypted CLI).
Security protocols separate encrypted management protocols like SSH from legacy plain text protocols like Telnet.
2
Differentiate Windows graphical remote management solutions.
RDP allows complete administrative login over TCP 3389, while MSRA requires user initiation and invitation for interactive assistance.
RDP is designed for independent desktop connectivity, whereas MSRA is structured for collaborative user assistance.

Key Concept

Remote Access Protocols, Port Numbers, and Security Boundaries
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Topics

Remote Access Technologies and Tools

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