LPI 201-400 - LPIC-2 Exam 201 Exam

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Total 459 questions

In the following output, what percentage of time was the CPU waiting for pending I/O?
# vmstat 1 100
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0

  • A. 0
  • B. 100
  • C. 35.9
  • D. 57.7
  • E. 36.6


Answer : A

Which command will report information on memory usage, paging and block input/output?

  • A. free
  • B. memshow
  • C. ps
  • D. top
  • E. vmstat


Answer : E

When is historical data of resource usage important? (Select THREE correct answers.)

  • A. Predicting when resources will need to be increased.
  • B. Selecting a computer vendor.
  • C. Identifying processes killed during out of memory occurrences.
  • D. Diagnosing capacity problems.
  • E. Troubleshooting a software problem.


Answer : A,D,E

In the following output, the load averages represent the system load averages for what time frames?
# uptime
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31

  • A. 1, 5 and 15 minutes
  • B. 1, 15 and 30 minutes
  • C. 1, 15, and 30 seconds
  • D. 15, 30 and 60 minutes
  • E. 15, 30 and 60 seconds


Answer : A

In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.)
# vmstat 1 100
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0

  • A. Used swap space
  • B. RAM available for filesystem buffers
  • C. Available free RAM
  • D. RAM used for buffers
  • E. RAM used for filesystem cache


Answer : C,D,E

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Total 459 questions