101-500 Online Practice Questions and Answers

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Which System V init configuration file is commonly used to set the default run level? (Specify the full name of the file, including path.)

A. /etc/inittab

CORRECT TEXT

Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)

CORRECT TEXT

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.)

After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

A. kill -HUP $(pidof grub)

B. grub-install

C. grub

D. No action is required

Which of the following commands can be used to create a USB storage media from a disk image?

A. gdisk

B. dd

C. cc

D. fdisk

E. mount

In Bash, inserting 1>and2 after a command redirects

A. standard error to standard input.

B. standard input to standard error.

C. standard output to standard error.

D. standard error to standard output.

E. standard output to standard input.

Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

A. kill -PIPE 123

B. kill -KILL 123

C. kill -STOP 123

D. kill -TERM 123

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

What does the command mount -a do?

A. It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.

B. It shows all mounted file systems that have been automatically mounted.

C. It opens an editor with root privileges and loads /etc/fstab for editing.

D. It ensuresthat all file systems listed with the option auto in /etc/fstab are mounted.

E. It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.

Which of the following commands will change the quota for a specific user?

A. edquota

B. repquota

C. quota -e

D. quota

Which of the following commands can be used to create a new file that is 100kB in size?

A. dd

B. file

C. mkfile

D. touch

Which of the following commands converts spaces in a file to tab characters and prints the result to standard output?

A. iconv

B. expand

C. unexpand

D. tab

Which of the following options must be passed to a filesystem's entry in /etc/fstab in order to mount the file system without root privileges?

A. auto

B. norestrict

C. noauto

D. user

Which is the default percentage of reserved space for the root user on new ext4 filesystems?

A. 10%

B. 3%

C. 15%

D. 0%

E. 5%

Which of the following statements are true about the boot sequence of a PC using a BIOS? (Choose two.)

A. Some parts of the boot process can be configured from the BIOS

B. Linux does not require the assistance of the BIOS to boot a computer

C. The BIOS boot process starts only if secondary storage, such as the hard disk, is functional

D. The BIOS initiates the boot process after turning the computer on

E. The BIOS is started by loading hardware drivers from secondary storage, such as the hard disk