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Difficulty: MediumRemote Access Technologies and Tools

Match each remote access technology or protocol on the left with its defining port number and operational characteristics on the right.

  • Remote Desktop Protocol (RDP)Operates over TCP port 3389 and requires a Windows Pro, Enterprise, or Education edition to host incoming connections.
  • Secure Shell (SSH)Uses TCP port 22 to provide an encrypted command-line terminal interface for secure remote system management.
  • TelnetTransmits credentials and terminal data in cleartext over unencrypted TCP port 23.
  • Microsoft Remote Assistance (MSRA)Allows a user to send an invitation file or passkey so a technician can view and share control of an active desktop session.

Answer

Remote Desktop Protocol (RDP) pairs with TCP port 3389 and Windows Pro/Enterprise/Education host requirement; Secure Shell (SSH) pairs with TCP port 22 encrypted command-line management; Telnet pairs with TCP port 23 cleartext transmission; Microsoft Remote Assistance (MSRA) pairs with invitation-based interactive desktop session sharing.
Each remote access technology is accurately matched to its standard default network port, encryption status, and operating system hosting requirements per standard educational guidelines.

Step-by-Step Solution

1
Identify default ports and OS hosting requirements for GUI remote desktop tools.
RDP uses TCP 3389 and requires Windows Pro, Enterprise, or Education to accept incoming connection hosting requests.
Windows Home edition includes the RDP client software but lacks the inbound RDP host server feature.
2
Compare command-line remote access protocols based on security and port numbers.
SSH uses TCP port 22 for encrypted CLI access, while Telnet uses TCP port 23 without encryption.
SSH was specifically designed to secure shell communications over public or untrusted networks.
3
Identify the operational mechanism of Microsoft Remote Assistance (MSRA).
MSRA establishes a collaborative desktop connection requiring a user invitation.
Unlike RDP which locks the physical workstation monitor, MSRA keeps the local session active for dual control.

Key Concept

Remote Access Technologies, Ports, and Capabilities
Estimated Time:1m 30s
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Topics

Remote Access Technologies and Tools

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