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Difficulty: HardRemote Access Technologies and Tools

A systems engineer is auditing remote administration tools across a corporate environment. The audit mandates two specific operational constraints:
1. Command-line interface (CLI) management of remote Linux database servers across public WAN connections must be encrypted.
2. Support technicians assisting logged-in Windows 11 Enterprise users must view and share screen interaction in real time without locking out or disconnecting the local user's active desktop session.

Which combination of remote access tools and protocols satisfies both operational constraints?

  1. Secure Shell (SSH) over TCP port 22 for server administration, and Microsoft Remote Assistance (MSRA) for user desktop supportAnswer
  2. B
    Telnet over TCP port 23 for server administration, and Remote Desktop Protocol (RDP) over TCP port 3389 for user desktop support
  3. C
    Secure Shell (SSH) over TCP port 22 for server administration, and Remote Desktop Protocol (RDP) over TCP port 3389 for user desktop support
  4. D
    Telnet over TCP port 23 for server administration, and Microsoft Remote Assistance (MSRA) for user desktop support

Answer

Secure Shell (SSH) over TCP port 22 for server administration, and Microsoft Remote Assistance (MSRA) for user desktop support
Secure Shell (SSH) uses public-key cryptography over TCP port 22 to provide secure, encrypted command-line management across untrusted networks. Microsoft Remote Assistance (MSRA) allows a technician to view and control a user's desktop session collaboratively in real time while keeping the local user logged in and active.

Step-by-Step Solution

1
Analyze Requirement 1: Encrypted remote CLI management over public WAN links.
Identify Secure Shell (SSH) using TCP port 22 as the secure protocol, eliminating Telnet (TCP port 23) due to its unencrypted plaintext transmission.
Telnet sends credentials and data in cleartext, making it unsuitable for public network traversal.
2
Analyze Requirement 2: Real-time desktop assistance for Windows 11 Enterprise without disconnecting the local user.
Select Microsoft Remote Assistance (MSRA) or Quick Assist over Remote Desktop Protocol (RDP).
On Windows client operating systems (including Pro and Enterprise), initiating an inbound RDP session locks or terminates the active local user session. MSRA enables concurrent screen sharing and control with user permission.
3
Combine the compliant solutions.
SSH over TCP port 22 combined with MSRA fulfills both security and operational requirements.
This combination satisfies both transport security standards and Windows session management behavior.

Key Concept

Remote access protocol security mechanisms and Windows desktop session limitation behaviors (SSH vs. Telnet and MSRA vs. RDP)
Estimated Time:2m 0s
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Topics

Remote Access Technologies and Tools

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