101-500 Online Practice Questions and Answers

FILL BLANK

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 command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

Which of the following commands lists the dependencies of a given dpkg package?

A. apt-cache depends-onpackage

B. apt-cache dependencies package

C. apt-cache depends package

D. apt-cache requires package

When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

A. Timestamps

B. MD5 checksums

C. Inodes

D. File sizes

E. GnuPG signatures

When removing a package, which of the following dpkg options will completely remove the files including configuration files?

A. --clean

B. --delete

C. --purge

D. emove

Which of the following file permissions belong to a symbolic link?

A. -rwxrwxrwx

B. +rwxrwxrwx

C. lrwxrwxrwx

D. srwxrwxrwx

What is the purpose of the xargs command?

A. It passes arguments to an X server.

B. It reads standard input (STDIN) and builds up command lines to execute.

C. It helps shellscripts take variable argument lists.

D. It asks a question, graphically, and returns the answer to the shell.

E. It allows users to specify long options for commands that normally only accept short options.

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

A. GRUB creates partitions on the device/dev/sdato 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.

Which daemon handles power management events on a Linux system?

A. acpid

B. batteryd

C. pwrmgntd

D. psd

E. inetd

When is the content of the kernel ring buffer reset? (Choose two.)

A. When the ring buffer is explicitly reset using the command dmesg --clear

B. When the ring buffer is read using dmesg without any additional parameters

C. When a configurable amount of time, 15 minutes by default, has passed

D. When the kernel loads a previously unloaded kernel module

E. When the system is shut down or rebooted