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Question

Difficulty: EasyRemote Access Technologies and Tools

A network administrator needs to establish a secure, encrypted text-based command-line session to manage a remote Linux server over TCP port 22. Which of the following remote access protocols should the administrator use?

  1. SSHAnswer
  2. B
    Telnet
  3. C
    RDP
  4. D
    MSRA

Answer

SSH (Secure Shell) is the correct protocol because it provides encrypted command-line access over TCP port 22.
SSH (Secure Shell) is specifically designed to provide secure, encrypted command-line sessions over TCP port 22.

Step-by-Step Solution

1
Identify the required operational characteristics from the scenario.
The requirement calls for a secure, encrypted command-line session over TCP port 22 to manage a Linux server.
Matching the protocol to both its port number and security features identifies the proper tool.
2
Evaluate the protocol matching TCP port 22 and encryption.
SSH operates over TCP port 22 and encrypts all traffic, satisfying all requirements.
SSH is the standard protocol for secure remote command-line administration.

Key Concept

SSH operates over TCP port 22 to provide encrypted command-line access for remote system management.
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Topics

Remote Access Technologies and Tools

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