Linux Foundation LFCS Exam Practice Test Instant Access

Question 1

How can the normal output of a command be written to a file while discarding the error output?

Acommand >2>file 1&>/dev/null

Bcommand < output > /dev/null

Ccommand > discard-error > file

Dcommand > /dev/null 2&>1 output

Ecommand >file 2>/dev/null

Answer : E

Question 2

What is the output of the following command sequence?

for token in a b c; do

echo -n "$token ";

done

Aanbncn

Ba b c

C'a ' 'b ' 'c '

Dtoken token token

Eabc

Answer : B

Question 3

Which character starts a comment line in a shell script file?

Answer : C

Question 4

Which approach will provide a listing of the contents in a tar archive?

AUse the tar command with -t.

BUse the grep command.

CUse the find command.

DUse the zless command.

EUse the zlist command.

Answer : A

Question 5

The script, script.sh, consists of the following lines:

#!/bin/bash

echo $2 $1

Which output will appear if the command, ./script.sh test1 test2, is entered?

Atest1 test2

Btest2 test1

Cscript.sh test2

Dscript.sh test1

Etest1 script.sh

Answer : B

Question 6

Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

A2001:db8::15 www.example.com www

Bwww.example.com www 203.0.13.15

C203.0.113.15 www.example.com www

Dwww.example.com,www 203.0.13.15,2001:db8::15

E2003.0.113.15,2001:db8::15 www.example.com www

Answer : A, C

Question 7

What is true regarding a default route?

AThe default route is always used first. When the default route is not available more specific routes are tried.

BWhen a default route is set, all other routes are disabled until the default route is deleted.

CThe default route is only used if there is not a more specific route to a destination host or network.

DWithout a default route, no network communication even in directly attached networks is possible.

Answer : C

Linux Foundation LFCS LINUX FOUNDATION CERTIFIED SYSTEM ADMINISTRATOR Exam Practice Test