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XK0-006 Practice Question: Based on the exhibit, what is the purpose of the…

Exhibit

Refer to the exhibit.

# auditctl -l
LIST_RULES: exit,always auid>=1000 auid!=4294967295 (0xffffffff) syscall=open key=user-open

# ausearch -k user-open
----
time->Thu Jan  1 12:00:00 2025
type=SYSCALL msg=audit(1735689600.123:456): arch=c000003e syscall=2 success=yes exit=3 a0=7ffe... a1=0 a2=1c a3=7f... items=1 ppid=1234 pid=5678 auid=1001 uid=1001 gid=1001 euid=1001 suid=1001 fsuid=1001 egid=1001 sgid=1001 fsgid=1001 tty=pts0 ses=1 comm="cat" exe="/usr/bin/cat" key="user-open"

Based on the exhibit, what is the purpose of the audit rule?

⚠ Common exam trap

CompTIA often tests the direction of comparison operators in audit rules — candidates frequently confuse `uid>=1000` (monitor UIDs 1000 and above) with `uid<1000` (monitor UIDs below 1000), leading them to select the exclusion-based option D instead of the correct inclusion-based option C.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Monitor all open syscalls by users with UID 1000 or higher.

The audit rule `-a always,exit -F arch=b64 -S open -F uid>=1000 -k monitor_open` uses the `uid>=1000` filter to match only system calls made by users with UID 1000 or higher. This is a common Linux auditd rule to track user-level activity while excluding system accounts (typically UIDs below 1000). Option C correctly identifies that the rule monitors all open syscalls by users with UID 1000 or higher.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    Monitor open syscalls on a specific file.

    Why it's wrong here

    No file path is specified; the rule monitors all open calls matching the auid condition.

  • ✗

    Monitor all open syscalls by the root user.

    Why it's wrong here

    The condition auid>=1000 excludes root (auid=0).

  • ✓

    Monitor all open syscalls by users with UID 1000 or higher.

    Why this is correct

    The condition auid>=1000 selects regular users, excluding system accounts and root (UID 0).

  • ✗

    Monitor all open syscalls except those by users with UID 1000 or higher.

    Why it's wrong here

    The rule includes auid>=1000, not excludes.

About these practice questions

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This XK0-006 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-006 exam.