Exam 101-500 – linux.betcher.info

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What is the role of YUM (Yellowdog Updater Modified) in RPM-based Linux distributions?

YUM is a graphical user interface for managing software packages.

YUM is a package management tool that provides automatic updates for the system.

YUM is a command-line package manager that handles software installations and dependency resolution.

YUM is a tool for configuring the hardware settings of the computer.

2. As root you have navigated to directory /B. You wish to move all of the files and directories
from directory /A to directory /B. Which of the following options would be the most appropriate
command line to execute this task?

cp /a/* .

mv -f /A/* .

mv -Rf/a/* .

cp -f /a/* ..

cp -rf /A/* /b/

3. bg is an built in bash command? E.g. no regular executable.

true

false

Which of the following tasks falls under configuring hardware settings?

Installing a new software application

djusting the screen resolution

Replacing a faulty hard drive

Creating a new user account

5. What is true regarding the configuration of yum? (Choose two.)

Changes to the repository configuration become active after running yum confupdate

Changes to the yum configuration become active after restarting the yumd service

The configuration of package repositories can be divided into multiple files

In case /etc/yum.repos.d/ contains files, /etc/yum.conf is ignored

Which kill signal is send by default by the kill command? (If no other supplied)

-USR1

-10

-9

-1

-15

7. Which of the following are valid stream redirection operators within Bash? (Choose two.)

>>>

2>&1

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

When the ring buffer is explicitly reset using the command dmesg –clear

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

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

When the kernel loads a previously unloaded kernel module

When the system is shut down or rebooted

9. You want to the command foo to take its input from the file foobar and send its output to the
program bar. Which of the following command lines will do this?

foo < foobar | bar

foo bar

foo | foobar > bar

foo | bar < foobar

foo > bar < foobar

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

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

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

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

The BIOS initiates the boot process after turning the computer on

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

11.

What is the package management system used in Debian-based Linux distributions?

RPM (Red Hat Package Manager)

YUM (Yellowdog Updater Modified)

APT (Advanced Package Tool)

DPKG (Debian Package)

12. When considering the use of hard links, what are valid reasons not to use hard links?

Hard links are not available on all Linux systems because traditional filesystems, such as ext4, do not support them

Each hard link has individual ownership, permissions and ACLs which can lead to unintended disclosure of file content

Hard links are specific to one filesystem and cannot point to files on another filesystem

If users other than root should be able to create hard links, suln has to be installed and configured

When a hard linked file is changed, a copy of the file is created and consumes additional space

13. How would you extend the list of directories, where the shell is looking for executable files, with your users “~/bin” folder?

export PATH:~/bin

export $PATH=PATH:~/bin

export PATH=”$PATH:~/bin”

expand PATH:~/bin

export PATH=$PATH:~/bin

export PATH=”PATH:~/bin”

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

10%

15%

15.

Which Linux distributions commonly use RPM as their package management system?

Debian-based distributions like Ubuntu

SUSE Linux Enterprise

Arch Linux

Red Hat Enterprise Linux (RHEL) and CentOS

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