PT0-003: CompTIA PenTest+Demo

By CompTIA · Question Mode

QuestionQ190

Reconnaissance and Enumeration

A penetration tester reviews the following Nmap command output while trying to troubleshoot connectivity to a Linux server.

Question Image

Which of the following is the most likely cause of the connectivity problem?

  • A The SSH service is running on a different port.
  • B The SSH service is blocked by a firewall.
  • C The SSH service requires certificate authentication.
  • D The SSH service is not active.
Explanation

The SSH service is active and reachable on TCP port 2222 rather than the default TCP port 22. An SSH connection that uses the default port will fail unless it specifies port 2222.

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