XK0-005 Domain 2: Security

Which command updates CA trust store on RHEL?

Multiple choice — select one answer

Answer choices

  1. a. update-ca-trust
  2. b. ls -Z
  3. c. 600
  4. d. RPM/DEB repository signing

Architectural breakdown & explanation

update-ca-trust refreshes system CAs.

Correct answer(s): a. update-ca-trust

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

Official documentation & study links

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