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LPI 201-450 Practice Test - Questions Answers, Page 2
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Question 11
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
Question 12
In the following output, what is the 5 minute load average for the system?
# uptime
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31
Question 13
Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?
Question 14
Which command will report information on memory usage, paging and block input/output?
Question 15
When is historical data of resource usage important? (Select THREE correct answers.)
Question 16
What option in the collectd configuration file is required in order to define what to start monitoring?
Question 17
Which of the following terms are used to describe 3.x kernel releases? (Choose TWO correct answers.)
Question 18
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)
Question 19
After installing a compiled kernel, it can not find any modules that are needed to be loaded. What make target was likely missed while installing the kernel?
Question 20
A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?
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