Linux Foundation LFCS Exam Questions Instant Access

Question 1

Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

Afind /tmp -uid root -print

Bfind -path /tmp -uid root

Cfind /tmp -user root -print

Dfind /tmp -user root

Efind -path /tmp -user root --print

Answer : C, D

Question 2

What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

ATo create RAID 9 arrays.

BTo dynamically change the size of logical volumes.

CTo encrypt logical volumes.

DTo create snapshots.

ETo dynamically create or delete logical volumes.

Answer : B, D, E

Question 3

Which of the following commands redirects the output of cmd to the file foo.txt, in which an existing file is overwritten?

Acmd || foo.txt

Bcmd | foo.txt

Ccmd && foo.txt

Dcmd >> foo.txt

Ecmd > foo.txt

Answer : E

Question 4

What output will the following command sequence produce?

echo '1 2 3 4 5 6' | while read a b c; do

echo result: $c $b $a;

done

Aresult: 3 4 5 6 2 1

Bresult: 1 2 3 4 5 6

Cresult: 6 5 4

Dresult: 6 5 4 3 2 1

Eresult: 3 2 1

Answer : A

Question 5

When the command echo $$ outputs 12942, what is the meaning of 12942?

AIt is the process ID of the echo command.

BIt is the process ID of the current shell.

CIt is the process ID of the last command executed.

DIt is the process ID of the last command which has been placed in the background.

Answer : B

Question 6

In which directory must definition files be placed to add additional repositories to yum?

See Below Explanation:

Answer : A

Question 7

What happens after issuing the command vi without any additional parameters?

Avi starts and loads the last file used and moves the cursor to the position where vi was when it last exited.

Bvi starts and requires the user to explicitly either create a new or load an existing file.

Cvi exits with an error message as it cannot be invoked without a file name to operate on.

Dvi starts in command mode and opens a new empty file.

Evi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.

Answer : D

Linux Foundation CERTIFIED SYSTEM ADMINISTRATOR LFCS Exam Questions