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Linux+ CompTIA Linux+ V8 Exam

CompTIA Linux+ V8 Exam

Last Update Sep 8, 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:

A.  

resolvectl

B.  

journalctl

C.  

systemctl daemon-reload

D.  

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:

A.  

The current kernel is corrupted and should be reinstalled.

B.  

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

C.  

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

D.  

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

Discussion 0
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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:

A.  

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

B.  

Implement a centralized log aggregation solution.

C.  

Configure daily automatic backups of logs to remote storage.

D.  

Deploy log rotation procedures to manage the records.

Discussion 0
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:

A.  

ip link 449

B.  

dig localhost:449

C.  

tracepath localhost 449

D.  

ss -an | grep 449

Discussion 0

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