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XK0-005 Domain 4: Troubleshooting

Which log priority is critical kernel messages?

Multiple choice — select one answer

Answer choices

  1. a. kern crit in dmesg/journal
  2. b. du -sh /* and journalctl --disk-usage
  3. c. chmod +x script or invoke with bash
  4. d. /etc/resolv.conf nameservers and dig test

Architectural breakdown & explanation

Critical kernel issues appear in dmesg.

Correct answer(s): a. kern crit in dmesg/journal

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

Official documentation & study links

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