NOS 120 CENGAGE Quiz: Chapter 08 System Initialization, X Windows, and Localization

Which assistive technology will make a desktop environment more accessible to a person with low vision?

a. High Contrast

b. Visual Alerts

c. Repeat Keys

d. Click Assist

a. High Contrast

You have recently modified the system time using the date command. What command can you run to ensure that the same time is updated within the system BIOS?

a. timedatectl --update

b. tzselect

c. hwclock -w

d. date --set

c. hwclock -w

Which of the following indicates the second MBR partition on the third hard disk drive to GRUB2?

a. hd2,msdos2

b. hd4,mbr3

c. hd3,mbr2

d. hd2,msdos1

a. hd2,msdos2

In GRUB2 notation:

hd2 refers to the third hard disk drive (since counting starts from 0).

msdos2 refers to the second MBR partition.

What kernel option can be specified within a boot loader to force the system to boot to Single User Mode?

a. init

b. rescue

c. single

d. telinit

c. single

Which of the following statements is true?

a. Unicode provides the least localization support for different languages.

b. ASCII is the most common character set used today.

c. UTF-8 is commonly used to provide Unicode character set support.

d. ASCII is an extension of the ISO-8859 standard.

c. UTF-8 is commonly used to provide Unicode character set support.

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incorrect;

a. Unicode provides the least localization support for different languages.

Incorrect. Unicode offers extensive support for many languages.

b. ASCII is the most common character set used today.

Incorrect. UTF-8 is more common today because it supports all Unicode characters.

d. ASCII is an extension of the ISO-8859 standard.

Incorrect. ASCII came before ISO-8859 and is not an extension of it.

Which of the following Systemd units is functionally equivalent to a runlevel?

a. service

b. target

c. timer

d. mount

b. target

Which of the following statements is true?

a. GRUB Legacy can be loaded from a MBR or GPT.

b. After modifying /etc/default/grub, you must run the grub2-mkconfig command before the changes are made to GRUB2.

c. GRUB2 can only be loaded from a UEFI System Partition.

d. GRUB needs to be reinstalled after it has been modified.

b. After modifying /etc/default/grub, you must run the grub2-mkconfig command before the changes are made to GRUB2.

What desktop environment is most likely to be installed on a Linux server system?

a. XFCE

b. XDM

c. KDE

d. GNOME

a. XFCE

XFCE is known for being lightweight and efficient, making it a suitable choice for server environments where resource usage needs to be minimized.

on server systems, the focus is typically on minimizing resource usage and maximizing performance. That's why lightweight desktop environments like XFCE are preferred if a graphical interface is needed at all

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incorrect;

XDM (b): This is a display manager, not a desktop environment.

KDE (c): KDE is a full-featured desktop environment, but it's heavier on resources compared to XFCE.

GNOME (d): GNOME is another full-featured desktop environment, but it's also more resource-intensive than XFCE.

Which of the following Systemd commands can be used to stop a daemon called lala?

a. service stop lala

b. systemctl stop lala.service

c. chkconfig stop lala

d. stop lala

b. systemctl stop lala.service

Which of the following commands can be used to start a UNIX SysV daemon called lala in runlevels 1, 2, and 3?

a. chkconfig --level 123 lala on

b. update-rc.d lala defaults

c. systemctl enable lala 123

d. service enable lala 123

a. chkconfig --level 123 lala on

Which command can be used to start X Windows, the window manager, and the default desktop environment?

a. startgui

b. startgdm

c. startx

d. gstart

c. startx

Which two implementations of X Windows are commonly used in Linux? (Choose two answers.)

a. X.org

b. XFCE

c. winX

d. Wayland

a. X.org

d. Wayland

X.org is the traditional X Windows system used on Linux systems, while Wayland is a recent replacement for X.org.

Which command can be used to modify the default locale on the system?

a. tzselect

b. cmdline

c. localectl

d. export LANG=C

c. localectl

Which command instructs the UNIX SysV init or Systemd daemon to reboot the system?

a. init 0

b. telinit 1

c. init 6

d. telinit 5

c. init 6

Runlevel 6 instructs SysV init to reboot the system. Since Systemd is backwards-compatible to SysV init, entering runlevel 6 will instruct Systemd to enter reboot.target.

Under what directory is Stage 2 of the GRUB2 boot loader stored?

a. /boot

b. /root

c. /bin

d. /

a. /boot

What is the name of the directory that contains symbolic links to UNIX SysV rc scripts for runlevel 2?

a. /etc/rc2.d

b. /etc/init.d/rc2.d

c. /etc/runlevel/2

d. /etc/inittab/rc2/d

a. /etc/rc2.d

Which runlevel starts a display manager, such as GDM?

a. 1

b. 6

c. 0

d. 5

d. 5

You have created a Systemd mount unit file that mounts a filesystem upon entering the multi-user target. However, when you switch to the multi-user target, you notice that the filesystem is not mounted. Which of the following troubleshooting steps should you take? (Choose all that apply.)

a. Verify that the filesystem was specified using a UUID in the mount unit file.

b. Remove any entries for the filesystem from /etc/fstab.

c. Ensure that the mount unit is activated using the systemctl enable command.

d. Run the update-rc.d command to reindex all unit files

a. Verify that the filesystem was specified using a UUID in the mount unit file.

c. Ensure that the mount unit is activated using the systemctl enable command.

What variable is often set at the beginning of a shell script to set a specific locale?

a. LC

b. LANG

c. LOCALE

d. CMDLINE

b. LANG

You want to configure the runlevels that a particular upstart daemon is started in. What should you do?

a. Run the appropriate update-rc.d command.

b. Modify the contents of the /etc/rc#.d directories.

c. Modify the daemon configuration file within the /etc/init directory.

d. Run the appropriate systemctl command.

c. Modify the daemon configuration file within the /etc/init directory.