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Linux-Foundation LFCS: Linux Foundation Certified System Administrator

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Question 1

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

A. systemd.target=rescue.target

B. systemd.runlevel=rescue.target

C. systemd.service=rescue.target

D. systemd.default=rescue.target

E. systemd.unit=rescue.target

Correct Answer:E

Question 2

What is true regarding the command userdel --force --remove bob? (Choose TWO correct answers.)

A. The user bob is removed from the system's user database.

B. The user bob's home directory is removed.

C. The locate database is updated to drop files owned by bob.

D. All files owned by bob are remove from all mounted filesystems.

E. In case bob was the last member of a group, that group is deleted.

Correct Answer:AB

Question 3

A user accidentally created the subdirectory dir in his home directory. Which of the following commands will remove that directory?

A. rmdir '~/\dir'

B. rmdir "~/\dir"

C. rmdir ~/'dir'

D. rmdir ~/\dir

E. rmdir ~/\\dir

Correct Answer:E

Question 4

Which file contains the date of the last change of a user's password?

A. /etc/gshadow

B. /etc/passwd

C. /etc/pwdlog

D. /etc/shadow

E. /var/log/shadow

Correct Answer:D

Question 5

CORRECT TEXT
Which option to the yum command will update the entiresystem? (Specify ONLY the option name without any additional parameters.)

Correct Answer:updateupgrade

Question 6

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

Correct Answer:BC

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