Inside the system: resources, kernel, processes

Final test: Inside the system: resources, kernel, processes

Question 1 of 20

Questions from the module quizzes of the Inside the system: resources, kernel, processes track, 20 in all. The options are shuffled; correct answers and the review open on the result screen after the last question. With 80% correct or more, the whole track counts as passed, and a retake draws other questions from the same modules.

20 questions · threshold 80%Answers are reviewed on the result screen, after the last question.

Read the output

What is happening on this machine?

$ nproc
1
$ top -bn1 | head -3
top - 09:14:02 up 2 days,  2 users,  load average: 3.35, 0.74, 0.24
Tasks: 112 total,   2 running, 110 sleeping,   0 stopped,   0 zombie
%Cpu(s):  9.1 us,  0.0 sy,  0.0 ni, 90.9 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st

Three users logged in, and uptime counted them in the load average.
A false alarm — the CPU is free, so everything is fine.
Several processes recently got stuck waiting for a disk or a filesystem — in the D state.
The CPU is overloaded — the load is above three on one CPU.

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