Linux Foundation Certified System Administrator (LFCS) Practice Test

Questions # 71:

Whichof the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

Options:

shutdown -R 1 now

shutdown -single now

init 1

telinit 1

runlevel 1

Questions # 72:

What does the command mount -a do?

Options:

It mounts all available filesystems onto the current directory.

It shows all mounted filesystems.

It mounts all user mountable filesystems for the current user.

It mounts all filesystems listed in /etc/fstab which have the option auto set.

It mounts all filesystems listed in /etc/fstab which have the option noauto set.

Questions # 73:

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

Options:

/etc/gshadow

/etc/passwd

/etc/pwdlog

/etc/shadow

/var/log/shadow

Questions # 74:

Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)

Questions # 75:

What command displays all aliases defined in the current shell? (Specify the command without any path information)

Options:

Questions # 76:

Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?

Questions # 77:

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

Options:

cat < myapp | cat > file1.log

myapp 0>&1 | cat > file1.log

myapp | cat > file1.log

myapp | teefile1.log

tee myapp file1.log

Questions # 78:

With IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)

Options:

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