101-400 Online Practice Questions and Answers

SIMULATION

Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)

Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

A. 0

B. 1

C. 3

D. 5

E. 6

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

A. shutdown -r now

B. shutdown -r "rebooting"

C. telinit 6

D. telinit 0

E. shutdown -k now "rebooting"

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

A. silent

B. verbose=0

C. nomesg

D. quiet

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 signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?

A. SIGTERM

B. SIGINT

C. SIGSTOP

D. SIGKILL

Which of the following is the device file name for the second partition on the only SCSI drive?

A. /dev/hda1

B. /dev/sda2

C. /dev/sd0a2

D. /dev/sd1p2

In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)

A. cat /proc/self/mounts

B. free

C. mount

D. lsmounts

E. cat /proc/filesystems

Which of the following examples for Bash file globbing matches a file named root-can-do-this.txt when used in the directory holding that file? (Choose three correct answers.)

A. root*can?do-this.{txt,odt}

B. r[oOoO]t-can-do*.txt

C. {root,user,admin}-can-??-this.txt

D. root*can*do??this.txt

E. root***{can,may}-do-this.[tT][xX][tT]

What does the command grub-install /dev/sda do?

A. GRUB creates partitions on the device /dev/sda to be used with Linux.

B. GRUB sets the default BIOS boot device to /dev/sda.

C. GRUB installs all required files and configures the boot loader on device /dev/sda.

D. GRUB recompiles the Linux Kernel and installs it on the Master Boot Record of device /dev/sda.