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Total 125 questions
Which of the following is an example path to a Linux software RAID array?
Answer : D
Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)
Answer : A,D
What is the minimum number of disks required in a fully redundant RAID5 array?
Answer : C
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)
Answer : vgreduce, /sbin/vgreduce
The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?
Answer : E
On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel configuration parameters?
Answer : B
What information does the file modules.dep provide?
Answer : D
Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers)
Kernel IP routing table -
Destination Gateway Genmask Flags Metric Ref Use Iface
203.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0
Answer : C,E
If all of the following files and/or symlinks exist in a SysV-init runlevel directory, which of the following will be executed first when booting the system directly into the runlevel?
Answer : D
What mechanism does collectd use to gather monitoring information on systems?
Answer : A
What is the main template file used by autofs?
Answer : C
In the below example output, which columns detail the percent of time the CPU spent running non-kernel code and the percent of time the CPU spent running kernel code?
(Choose TWO 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
Answer : B,D
Which one of these directories should not be backed up?
Answer : D
A Linux server is running in single user mode for regular maintenance. Which commands are used to restore the server to its usual runlevel? (Choose TWO correct answers.)
Answer : B,E
What is the functionality that PXE provides?
Answer : A