CompTIA Linux+ V8 Exam
Last Update May 5, 2026
Total Questions : 149
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A systems administrator wants to review the amount of time the NetworkManager service took to start. Which of the following commands accomplishes this goal?
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?
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?
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?
TESTED 05 May 2026
