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XK0-005 Domain 4: Troubleshooting

Cannot sudo despite group membership. Cause?

Multiple choice — select one answer

Answer choices

  1. a. Crontab syntax, service crond active, and paths
  2. b. Non-root cannot bind privileged ports or port in use
  3. c. Require tty, expired password, or sudoers rule
  4. d. du -sh /* and journalctl --disk-usage

Architectural breakdown & explanation

sudoers and PAM settings restrict elevation.

Correct answer(s): c. Require tty, expired password, or sudoers rule

Exam domain: Domain 4: Troubleshooting (18% weight on the official guide).

Official documentation & study links

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