Question 1

To change all password aging parameters for a user, which of the following commands could you use? (Choose two.)

Options :

A : `usermod`

B : `passwd`

C : `useradd`

D : `chage`

Answer: B,D

Question 2

Which command allows you to check an EXT4 file system even though it has been marked clean?

Options :

A : fsck -l /dev/sdb1

B : fsck --now /dev/sdb1

C : fsck -f /dev/sdb1

D : fsck -n /dev/sdb1

Answer: D

Question 3

Erosyl, a Linux security administrator working for the government, needs to enable Mandatory Access Control (MAC) with SELinux. Which command can he run to view the current SELinux settings?

Options :

A : `ls -i`

B : `ls -Z`

C : `ls -a`

Answer: B

Question 4

Mark is a Linux administrator who is trying to determine which user might be harming the performance of the Linux server. Which command can he run to display who is logged in and which commands they are running?

Options :

A : `who --jobs`

B : `whoami --all`

C : `who`

D : `w`

Answer: D

Question 5

A systems engineer is adding a new 1GB XFS filesystem that should be temporarily mounted under /ops/app. Which of the following is the correct list of commands to achieve this goal?

Options :

A :

B :

C :

D :

Answer: D