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Difficulty: HardRemote Access Technologies and Tools

Match each remote access technology or tool with its characteristic operating requirement, protocol, or default port configuration.

  • Remote Desktop Host (RDP)Requires Windows Pro, Enterprise, or Education edition to accept incoming connections over default TCP port 3389.
  • Microsoft Remote Assistance (MSRA)Allows a helper to join an existing user desktop session on any Windows edition using an invitation file or passkey.
  • Secure Shell (SSH)Provides encrypted command-line administrative access using default TCP port 22.
  • Virtual Network Computing (VNC)Uses the Remote Frame Buffer (RFB) protocol over default TCP port 5900 for cross-platform session sharing.

Answer

Remote Desktop Host (RDP) matches the requirement for Windows Pro/Enterprise/Education on TCP port 3389. Microsoft Remote Assistance (MSRA) matches helper invitation sessions across all Windows editions. Secure Shell (SSH) matches encrypted command-line access on TCP port 22. Virtual Network Computing (VNC) matches RFB protocol usage on TCP port 5900.
Each remote access technology correctly maps to its core operational parameter: RDP host capabilities require Windows Pro/Enterprise/Education on TCP 3389; MSRA enables interactive helper sessions via invitation tokens across all editions; SSH supplies encrypted terminal administration over TCP 22; and VNC delivers cross-platform screen sharing via the RFB protocol over TCP 5900.

Step-by-Step Solution

1
Identify operating system edition restrictions for incoming GUI remote desktop sessions.
Confirm that Windows Home editions lack the RDP host listener component, requiring Pro, Enterprise, or Education editions on TCP port 3389.
CompTIA A+ objectives specifically contrast RDP host availability between Windows client editions.
2
Differentiate MSRA functionality from standard RDP session behaviors.
Determine that MSRA allows assisted remote support sessions across all Windows editions via user invitation tokens.
Technicians use MSRA to assist remote users on Home edition machines where RDP host mode is disabled.
3
Associate command-line and cross-platform tools with their default network ports and protocols.
Link SSH to encrypted CLI administration on TCP port 22, and VNC to RFB protocol administration on TCP port 5900.
Network firewalls and routers must be configured with correct default listening ports for SSH and VNC connectivity.

Key Concept

Remote Access Technologies, Port Assignments, and Windows Edition Capabilities
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Topics

Remote Access Technologies and Tools

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