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Linux Foundation Certified System Administrator

Last Update 2 hours ago Total Questions : 260

The Linux Foundation Certified System Administrator content is now fully updated, with all current exam questions added 2 hours ago. Deciding to include LFCS practice exam questions in your study plan goes far beyond basic test preparation.

You'll find that our LFCS exam questions frequently feature detailed scenarios and practical problem-solving exercises that directly mirror industry challenges. Engaging with these LFCS sample sets allows you to effectively manage your time and pace yourself, giving you the ability to finish any Linux Foundation Certified System Administrator practice test comfortably within the allotted time.

Question # 31

What is the output of the following command sequence?

for token in a b c; do

echo -n "$token ";

done

A.

anbncn

B.

a b c

C.

"a " "b " "c "

D.

token token token

E.

abc

Question # 32

Which of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.)

A.

ssh --port 2222 example.com

B.

ssh -p 2222 example.com

C.

ssh -o Port=2222 example.com

D.

ssh -o GatewayPort=2222 example.com

E.

ssh example.com:2222

Question # 33

Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make host lookups consult the /etc/hosts file?

Question # 34

In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

A.

Without additional configuration, no users may have user specific crontabs.

B.

Without additional configuration, all users may have user specific crontabs.

C.

The cron daemon will refuse to start and report missing files in the system's logfile.

D.

When a user creates a user specific crontab the system administrator must approve it explicitly.

Question # 35

Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

Question # 36

What does the command mount -a do?

A.

It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.

B.

It shows all mounted file systems that have been automatically mounted.

C.

It opens an editor with root privileges and loads /etc/fstab for editing.

D.

It ensures that all file systems listed with the option auto in /etc/fstab are mounted.

E.

It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.

Question # 37

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

A.

route del default

B.

ifconfig unset default

C.

netstat -r default

D.

ip route del default

E.

sysctl ipv4.default_gw=0

Question # 38

Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?

A.

*

B.

-

C.

s

D.

x

Question # 39

The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

Question # 40

When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

A.

debug

B.

lsof

C.

nessus

D.

strace

E.

traceroute

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