101-400 Online Practice Questions and Answers

Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

A. /etc/keys

B. /proc/keys

C. /etc/inittab

D. /proc/inittab

E. /etc/reboot

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

A. Boot device order

B. Linux kernel version

C. Timezone

D. Hardware configuration

E. The system's hostname

Which of 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.)

A. shutdown -R 1 now

B. shutdown -single now

C. init 1

D. telinit 1

E. runlevel 1

Which of the following commands lists all currently installed packages when using RPM package management?

A. yum --query --all

B. yum --list --installed

C. rpm --query --all

D. rpm --list installed

Which of the following commands is used to change options and positional parameters for a running Bash?

A. history

B. set

C. bashconf

D. setsh

E. envsetup

Which of the following command sets the Bash variable named TEST with the content FOO?

A. set TEST="FOO"

B. TEST = "FOO"

C. var TEST="FOO"

D. TEST="FOO"

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

A. <

B. <<<

C. >

D. >>>

E. %>

Which of the following are modes of the vi editor? (Choose two.)

A. edit mode

B. insert mode

C. change mode

D. review mode

E. command mode

Which of the following are filesystems which can be used on Linux root partitions? (Choose two.)

A. NTFS

B. ext3

C. XFS

D. VFAT

E. swap

Which permissions and ownership should the file /etc/passwd have?

A. -rw-------1 rootroot531 Jun 5 22:45 /etc/passwd

B. -rw-r--r--1 rootroot531 Jun 5 22:45 /etc/passwd

C. -rw-r--r--1 11531 Jun 5 22:45 /etc/passwd

D. -rw-------1 11531 Jun 5 22:45 /etc/passwd