An administrator needs to see a list of all processes running as user 'jdoe', including their PID, CPU usage, and memory usage. Which command provides this information?

ps -e -o pid,pcpu,pmem,comm | grep jdoe

ps -u jdoe -o pid,pcpu,pmem,comm

A server is experiencing high load. The administrator runs top and sees a process in 'R' state using 99% CPU. The administrator suspects the process is in a tight loop. Which action is most appropriate to diagnose the issue without killing the process?

Run strace -p to see system calls

Run kill -9 to terminate the process

Run ps -o state to check its state

Run renice -n 10 to lower its priority

A system administrator wants to start a long-running compilation job with a lower priority than the default. The job should be started with a nice value of 10. Which command starts the job correctly?

nice -n 10 /usr/local/bin/compile.sh

nice --10 /usr/local/bin/compile.sh

renice -n 10 /usr/local/bin/compile.sh

nice -10 /usr/local/bin/compile.sh

A system administrator needs to run a log-rotation script every day at 2:30 AM. The script is located at /usr/local/bin/rotate_logs.sh and is executable. Which crontab entry correctly schedules this job?

0 2 * * * /usr/local/bin/rotate_logs.sh

30 2 * * 1-5 /usr/local/bin/rotate_logs.sh

2 30 * * * /usr/local/bin/rotate_logs.sh

30 2 * * * /usr/local/bin/rotate_logs.sh

CompTIALinux+

Domain 2Objective 3

Process Control XK0-006 Practice Questions (Page 3)

Part of the Services and User Management domain, which accounts for 20% of the XK0-006 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–12 in this domain), expect 1–2 from this objective — we provide 27 practice questions to prepare you well beyond it. (estimate)

27questions here

6free pages

6concepts

20%of the exam

Questions 11–15

11application · medium
An administrator needs to see a list of all processes running as user 'jdoe', including their PID, CPU usage, and memory usage. Which command provides this information?
Select an answer first
12expert · hard
A server is experiencing high load. The administrator runs top and sees a process in 'R' state using 99% CPU. The administrator suspects the process is in a tight loop. Which action is most appropriate to diagnose the issue without killing the process?
Select an answer first
13application · easy
A system administrator wants to start a long-running compilation job with a lower priority than the default. The job should be started with a nice value of 10. Which command starts the job correctly?
Select an answer first
14foundation · easy
Which command is used to list the cron jobs for the current user?
Select an answer first
15application · medium
A system administrator needs to run a log-rotation script every day at 2:30 AM. The script is located at /usr/local/bin/rotate_logs.sh and is executable. Which crontab entry correctly schedules this job?
Select an answer first

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