Red Hat Principles

Question 1

What is Red Hat Linux?

Answer 1

A Linux distribution developed by Red Hat, known for its enterprise-level features.

Question 2

True or False: Red Hat Linux is an open-source operating system.

Answer 2

True

Question 3

What package management system does Red Hat Linux use?

Answer 3

RPM (Red Hat Package Manager)

Question 4

Fill in the blank: The primary configuration file for network settings in Red Hat Linux is ______.

Answer 4

/etc/sysconfig/network-scripts/ifcfg-<interface></interface>

Question 5

What is the purpose of SELinux in Red Hat Linux?

Answer 5

To provide an additional layer of security through mandatory access controls.

Question 6

Which command is used to update packages in Red Hat Linux?

Answer 6

yum update

Question 7

What does RHEL stand for?

Answer 7

Red Hat Enterprise Linux

Question 8

True or False: Red Hat Linux supports both graphical and command-line interfaces.

Answer 8

True

Question 9

What is the default file system used in Red Hat Linux?

Answer 9

XFS

Question 10

What command is used to check the system’s current kernel version?

Answer 10

uname -r

Question 11

Fill in the blank: The Red Hat subscription model provides access to ______.

Answer 11

support, updates, and additional software repositories.

Question 12

What is the role of the ‘systemd’ in Red Hat Linux?

Answer 12

To manage system services and the boot process.

Question 13

Which command is used to start, stop, or restart services in Red Hat Linux?

Answer 13

systemctl

Question 14

True or False: The command ‘chmod’ is used to change file permissions.

Answer 14

True

Question 15

What does the ‘chown’ command do?

Answer 15

Changes the ownership of a file or directory.

Question 16

What is the purpose of the ‘/etc/passwd’ file?

Answer 16

To store user account information.

Question 17

Fill in the blank: The command ‘ls -l’ provides a ______ listing of directory contents.

Answer 17

detailed

Question 18

What is the function of the ‘firewalld’ service in Red Hat Linux?

Answer 18

To manage firewall rules dynamically.

Question 19

What command is used to view active network connections?

Answer 19

netstat

Question 20

True or False: Red Hat Linux can be run on both physical and virtual machines.

Answer 20

True

Question 21

What is the purpose of the ‘/etc/fstab’ file?

Answer 21

To define how disk partitions and other file systems are mounted.

Question 22

What command is used to create a new directory?

Answer 22

mkdir

Question 23

Fill in the blank: The main log file for system messages is located in ______.

Answer 23

/var/log/messages

Question 24

Which command shows disk usage for files and directories?

Answer 24

du

Question 25

What does the acronym LVM stand for?

Answer 25

Logical Volume Manager

Question 26

True or False: The 'grep' command is used for searching text in files.

Answer 26

True

Question 27

What is the purpose of the 'yum' command?

Answer 27

To manage packages and dependencies in Red Hat Linux.

Question 28

Fill in the blank: The command 'ps aux' lists ______.

Answer 28

all running processes on the system.

Question 29

What is the primary use of the 'scp' command?

Answer 29

To securely copy files between hosts over SSH.

Question 30

What is the difference between 'hard link' and 'soft link'?

Answer 30

Hard links point to the same inode, while soft links (symbolic links) point to the filename.

Question 31

True or False: Red Hat Linux uses the Btrfs file system by default.

Answer 31

False

Question 32

What is the purpose of the 'cron' daemon?

Answer 32

To schedule periodic tasks.

Question 33

Fill in the blank: The 'df' command is used to report file system ______.

Answer 33

disk space usage

Question 34

What is an RPM package?

Answer 34

A software package format used by Red Hat for installing applications.

Question 35

True or False: The '/root' directory is the home directory for the root user.

Answer 35

True

Question 36

What command is used to view the contents of a file?

Answer 36

cat

Question 37

What does the command 'kill' do?

Answer 37

Terminates a running process.

Question 38

Fill in the blank: The 'tar' command is commonly used for ______.

Answer 38

compressing and archiving files.

Question 39

What is the purpose of the 'sudo' command?

Answer 39

To execute commands with elevated privileges.

Question 40

What does the term 'kernel' refer to?

Answer 40

The core component of the operating system that manages system resources.

Question 41

True or False: Red Hat Linux supports containerization through technologies like Docker.

Answer 41

True

Question 42

What is the function of the 'init' system?

Answer 42

To initialize the system and manage system processes.

Question 43

Fill in the blank: The 'hostname' command is used to display or set the system's ______.

Answer 43

hostname

Question 44

What is the significance of the '/etc/hosts' file?

Answer 44

It maps hostnames to IP addresses.

Question 45

What command is used to change the current working directory?

Answer 45

cd

Question 46

What does the 'ping' command do?

Answer 46

Tests network connectivity to another host.

Question 47

True or False: The 'whoami' command displays the current user's username.

Answer 47

True

Question 48

What does the acronym SSH stand for?

Answer 48

Secure Shell

Question 49

What is the purpose of the 'mount' command?

Answer 49

To attach a file system to the system's directory tree.

Question 50

Fill in the blank: The 'echo' command is used to display ______.

Answer 50

text or variables in the terminal.

Question 51

What does the command 'ifconfig' do?

Answer 51

Displays network interface configuration.

Question 52

What is the primary function of the 'rsync' command?

Answer 52

To synchronize files and directories between locations.

Question 53

True or False: The 'history' command shows a list of previously executed commands.

Answer 53

True