CompTIALinux+
Domain 5Objective 5
Performance XK0-006 Practice Questions (Page 2)
Part of the Troubleshooting domain, which accounts for 22% of the XK0-006 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~8–13 in this domain), expect 2–3 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)
24questions here
5free pages
5concepts
22%of the exam
Questions 6–10
- 6
A web server is experiencing slow response times. The administrator notices that the system is using a lot of swap space, and the `vmstat` output shows `si` and `so` values consistently above 1000. The server has 16 GB of RAM and 4 GB of swap. What is the MOST effective way to improve response times?
Select an answer first - 7
Which tool provides a real-time, interactive view of I/O activity for processes and devices, similar to top but for I/O?
Select an answer first - 8
A system administrator needs to collect CPU, memory, and I/O performance data over a 24-hour period to identify a recurring performance issue that happens only during peak hours. The administrator wants to review the data later. Which tool should the administrator use?
Select an answer first - 9
A system administrator notices that a server's load average is 12.5, but `top` shows the CPU is only 30% utilized. The server has 4 CPU cores. Which conclusion is MOST likely correct?
Select an answer first - 10
Which command is used to start a new process with a specified scheduling priority, which can help optimize response times for that process?
Select an answer first
Finished these 5 questions?
Review the revealed explanations, or continue through the curriculum.
Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by CompTIA. “XK0-006” is a trademark of its owner, used for identification only.