Online Access Free LFCS Exam Questions

Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

• A.shutdown -k now "rebooting"
• B.telinit 0
• C.shutdown -r "rebooting"
• D.shutdown -r now
• E.telinit 6

Where are user specific crontabs stored?

• A.In the database file /etc/crontab.db which is shared by all users.
• B.In the file /var/cron/user-crontab which is shared by all users.
• C.As individual per-user files within /var/spool/cron.
• D.In the .crontab file in the user's home directory.
• E.As individual per-user files in /etc/cron.user.d.

Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

• A.10.0.0.0/8
• B.169.255.0.0/16
• C.172.16.0.0/12
• D.192.168.0.0/16
• E.127.0.0.0/8

Which of the following commands can be used to extract content from a tar file?

• A.tar -e
• B.tar -c
• C.tar -vf
• D.tar -xvf
• E.tar-v

Which command will display the last line of the file foo.txt?

• A.last -n 1 foo.txt
• B.tail -n 1 foo.txt
• C.head -n 1 foo.txt
• D.tail foo.txt