Expert Answers to CompTIA Exam XK0-006 Questions

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Linux+ CompTIA Linux+ V8 Exam

CompTIA Linux+ V8 Exam

Last Update Sep 18, 2026
Total Questions : 149

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Questions 2

A systems administrator wants to review the amount of time the NetworkManager service took to start. Which of the following commands accomplishes this goal?

Options:

resolvectl

journalctl

systemctl daemon-reload

systemd-analyze blame

Discussion 0

Questions 3

A user reports Issues v/hen trying to connect to one ot the Linux servers. The server administrator reviews the following outputs:

Output 1:

Kernel panic not syncing: Fatal Machine check

Fid: 0, comm; swapper Tainted: G M ------------------ 4.18.0-553.8.1.cl8_10.x86_64 #1

Call Trace:

< #mc > [rrrrrrrrs:4er..i4i] ? panic+ox7n/oxi43

[] ? mcc_panic+0x21f/0x240

[] ? do_machine_check+0xal8/0xae0

[] ? intel idie+0xbi/0xi70

[] ? machino_check+0xlc/0x30

[] ? intel_idle+0xbl/0xl70

«EOE» [] ? hrtimer 8tart+0xlB/0x20

[] ? cpuidle_idle_cail+0xa7/0xl40

I| ? cpu_idle+0xbfc/0xll0

[] ? Start_secondary+0x202/0x245

Output 2:

[325926.243631] mce: [Error] : CPU 22: Machine Check Exception: 7 Bank 0: bd80000000000134

1325926.247004| nice: (Error): Machine check events logged

[325991.358038] race: [Error] : KIP 10: < ffffffff83584719* (copy user enhanced fast strir.q+0x9/0x20)

[325991.358038] mce: [Error] : tsc 31ea89256a735 ADDR 3cdl889000 MISC 8c

[325991.350033] mce: [Error] : PROCESSOR 0:50657 TIME 15945B1695 SOCKET 0 APTC 16 microcode rrrrtrrr

[325991.358038] mce: [Error] : Run the above through ' rr.ccloq —ascii*

[325991.358038] mce: [Error] : Machine check: Action required: unknown MCACOD

[325991.3511038] Kernel panic not syncing: Fatal machine check

Which of the following statements describes the cause and resolution for this issue?

Options:

The current kernel is corrupted and should be reinstalled.

The messages point to a hardware issue that should be addressed by the server team.

The system has crashed and needs to be rebooted to fix the issue.

All available CPUs have been exhausted, and a new CPU should be added.

Discussion 0

Questions 4

A systems administrator manages multiple Linux servers and needs to set up a reliable and secure way to handle the complexity of managing event records on the OS and application levels. Which of the following should the administrator do?

Options:

Create an automated process to retrieve logs from the server by demand.

Implement a centralized log aggregation solution.

Configure daily automatic backups of logs to remote storage.

Deploy log rotation procedures to manage the records.

Discussion 0

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Questions 5

A systems administrator troubleshoots a connectivity issue and needs to determine whether port 449 is open locally. Which of the following commands should the administrator use?

Options:

ip link 449

dig localhost:449

tracepath localhost 449

ss -an | grep 449

Discussion 0

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