XK0-006 System Management Practice Question
A Linux administrator is investigating a performance issue on a server. The administrator needs to identify which processes are consuming the most CPU and memory, and then adjust their priority. Which TWO commands should the administrator use to accomplish this? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
top
top shows real-time process information including CPU and memory usage. renice adjusts the priority of running processes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
kill
Why it's wrong here
kill sends signals to processes, typically to terminate them, not to view or adjust priority.
- ✗
ps
Why it's wrong here
ps shows a snapshot of current processes but does not provide real-time updating or priority adjustment.
- ✓
top
Why this is correct
top displays dynamic real-time information about running processes, including CPU and memory usage.
- ✗
nice
Why it's wrong here
nice is used to start a process with a specified priority, not to adjust the priority of an already running process.
- ✓
renice
Why this is correct
renice alters the scheduling priority of one or more running processes.
Go deeper
Related to this question
Learn chapter
Linux Fundamentals and History
Key term
Process
In IT service management, a process is a structured set of activities designed to accomplish a specific objective, such as managing incidents or changes, by transforming inputs into defined outputs.
Key term
Linux
Linux is an open-source operating system that manages computer hardware and software, widely used in servers, desktops, and embedded systems.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-006 exam.