XK0-005 Domain 2: Security

Which access control uses MAC labels on RHEL?

Multiple choice — select one answer

Answer choices

  1. a. SELinux
  2. b. /etc/passwd and critical system files
  3. c. firewalld (nftables backend)
  4. d. auditd

Architectural breakdown & explanation

SELinux enforces mandatory access control.

Correct answer(s): a. SELinux

Exam domain: Domain 2: Security (21% weight on the official guide).

Official documentation & study links

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