Question 1

Within which directories would you expect to find system administration commands?

Options :

A : /usr/local/sbin

B : /usr/sbin

C : All the directories shown.

D : /sbin

Answer: C

Question 2

Which command(s) can you use to create an initial ramdisk on a RedHat Enterprise Linux system?

Options :

A : dracut

B : Both dracut and mkinitrd can be used to create an initial ramdisk.

C : mkinitrd

Answer: B

Question 3

Using `/dev/mapper` is a method of dividing physical block devices into virtual block devices. Which commands list your system’s virtual block devices? (Choose two.)

Options :

A : `ls -l /dev/mapper`

B : `dmsetup ls`

C : `ls -l /dm*`

D : `ls -l /lvm`

Answer: A,B

Question 4

Due to performance issues on a server, a Linux administrator needs to termi-nate an unresponsive process. Which of the following commands should the administrator use to terminate the process immediately without waiting for a graceful shutdown?

Options :

A : kill -SIGKILL 5545

B : kill -SIGTERM 5545

C : kill -SIGHUP 5545

D : kill -SIGINT 5545

Answer: A

Question 5

A Linux administrator needs to expand a volume group using a new disk. Which of the following options presents the correct sequence of commands to accomplish the task?

Options :

A :

partprobe

vgcreate

lvextend

B :

lvcreate

fdisk

partprobe

C :

fdisk

partprobe

mkfs

D :

fdisk

pvcreate

vgextend

Answer: D

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