Linux Installation & Configuration

Which prompt do regular users receive when logged in to the system?

$

After typing the command umask 731, the permissions on all subsequently created files and directories will be effected. In this case, what will the permissions on all new files be?

---r--rw-

The command chmod 317 file1 would produce which of the following lines in the ls command?

--wx--xrwx 1 user1 root 0 Apr 29 15:40 file1

Which prompt does the root user receive when logged in to the system?

#

What is the most common open source Web server available for Linux?

Apache

What is the default shell in Linux called?

BASH

Which of the following items are you typically required to configure during a Linux server installation? (Choose all that apply.)

Boot loader configuration

What was created to define a standard directory structure and common file location for Linux?

FHS

A symbolic link is also known as a soft link and is depicted by an @ appearing at the beginning of the filename when viewed using the ls -l command.

False

After a partition on a hard disk drive is formatted with a filesystem, all partitions on that hard disk drive must use the same filesystem.

False

Character devices typically transfer data more quickly than block devices

False

Linux commands entered via the command line are not case sensitive.

False

The less command offers less functionality than the more command.

False

There is no real difference between the "S" and "s" special permissions when displayed using the ls -l command. One just means it is on a file and the other that it is on a directory.

False

Which common GUI environments are available in most Linux distributions? (Choose all that apply.)

GNOME KDE

To which license does Linux adhere?

GNU General Public License

After you log in to a terminal, you receive a user interface called a __________.

GUID

Every computer consists of physical components and nonphysical components. The nonphysical components of a computer that understand how to work with the physical components are referred to as _________ .

Hardware

After typing the ls -a command, you notice that there is a file whose filename begins with a dot ( . ). What does this mean?

It is a hidden file.

After typing the ls -F command, you notice a filename that ends with an * asterisk character. What does this mean?

It is an executable file.

What does the mv command do? (Choose all that apply.)

It moves a directory. It moves a file.

What must a user do to run cp or mv interactively and be asked if she wants to overwrite an existing file?

Just type cp or mv as they run in interactive mode by default.

Linux servers are typically installed in a rack using rackmount server hardware. Which of the following is used to describe the minimum height of a rackmount server?

Level 5

Linux was developed by __________ to resemble the _________ operating system.

Linus Torvalds, GNU

What are some good reasons for using Linux in a corporate environment? (Choose all that apply.)

Linux software is unlikely to be abandoned by its developers. Linux is secure and has a lower total cost of ownership than other operating systems. Linux is widely available for many platforms and supports many programming languages.

Many types of software are available today. Which type of software does Linux represent?

Open Source Software

How can you protect a metacharacter (such as the $ character) from shell interpretation?

Precede it with a /.

How can a user switch from insert mode to command mode when using the vi editor?

Press the Esc key

Which of the following statements are true? (Choose all that apply.)

Quotas can limit both user space and the number of files a user can own. Hard limits can never be exceeded Soft limits allow a user to exceed them for a certain period of time

Which of the following RAID levels is NOT fault tolerant?

RAID 0

Which of the following could result in a segmentation fault (fatal signal 11) during a Fedora installation?

RAM problems overclocked CPU

Who formed the Free Software Foundation to promote open development?

Richard Stallman

Which of the following is NOT an example of virtualization software that can be used to install Linux within another operating system?

Spiceworks

When you change the data in a file that is hard-linked to three others, __________.

The data in the file you modified as well as the data in all hard linked files are modified as they share the same data and all have the same inode and file size.

Many types of software are available today. Which type of software does Linux represent?

The software is developed collaboratively. Any bugs are fixed quickly.

If you boot your computer from Linux live media, you will be able to use a fully functional Linux system prior to installing Linux on permanent storage.

True

Linux has only one root directory per directory tree. True or False?

True

The operating system software is necessary for a computer to function.

True

To install Linux within a virtual machine, you can specify the path to an ISO image that contains the Linux installation media within virtualization software without having to first write the ISO image to a DVD or USB flash drive.

True

What must you do to successfully run the fsck command on a filesystem?

Unmount the filesystem.

After typing the ls -F command, you see the following line in the output: -rw-r-xr-- 1 user1 root 0 Apr 29 15:40 file1 What does this mean?

User1 has read and write, members of the root group have read and execute, and all others have read permissions to the file.

Using wildcard metacharacters, how can you indicate a character that is NOT an a or b or c or d?

[!a-d]

You want to see the filesystems that are presently in use on the system. What command could you use?

cat /etc/mtab

If a user's current directory is /home/mary/project1, which command could she use to move to the etc directory directly under the root?

cd /etc

Which of the following commands will change the user ownership and group ownership of file1 to user1 and root respectively?

chown user1:root file1

Which command blanks the terminal screen, erasing previously displayed output?

clear

The vi editor can function in which two of the following modes? (Choose both that apply.)

command insert

Which command is used to display the amount of free space that exists on a filesystem?

df

The tac command _________.

displays the contents of a file in reverse order last line first and first line last

Which command is used to format a partition on a hard disk drive with the ext4 filesystem?

e2mkfs -t ext4 device

What are the three standard Linux permissions?

execute, read, write

What will the following wildcard regular expression return: file[a-c]?

filea, fileb, filec

Which type of RAID is entirely configured during the Linux installation process?

hardware RAID

Where is the /proc filesystem stored?

in RAM

What equivalent to the man command generally provides an easier-to-read description of the queried command and also contains links to other related information?

info

Which of the following is NOT a piece of information that the Fedora installation program prompts you for?

keyboard layout

Which of the following commands can be used on a Fedora 20 system to view hardware and service startup information during the boot process?

less /var/log/boot.log

A production kernel refers to a kernel whose _________.

minor number is even

Which command mounts all existing filesystems in /etc/fstab

mount -a

Linux is __________ and __________ operating system.

multiuser, multitasking

Which command do you use to rename files and directories?

mv

Which of the following commands can be used to create partitions on either a MBR or GPT hard disk?

parted

Which command would a user type on the command line to find out what directory in the directory tree he is currently in?

pwd

A special device file is used to ___________.

represent hardware devices such as hard disk drives and ports

The default permissions given by the system prior to analyzing the umask are ___________for directories, and __________ for files.

rwxrwxrwx and rw-rw-rw-

Which of the following is NOT a type of RAID

serial RAID

What does the du /var command do?

shows the size of all directories within the /var directory

What command can you use to safely shut down the Linux system immediately?

shutdown -r

Which command searches for and displays any text contents of a binary file?

strings

A user types in the command head /poems/mary. What will be displayed to the terminal screen?

the first 10 lines of the file mary

Which culture embraced the term "GNU" (GNU's Not UNIX) and laid the free software groundwork for Linux?

the hacker culture

What does the /var directory contain?

various additional programs

The core component of the Linux operating system is the Linux kernel. If you were a Linux systems administrator for a company, when would you need to upgrade your Linux kernel? (Choose all that apply.)

when you need support in Linux for new hardware when you need to increase the stability of Linux

Which two partitions do you typically create at minimum during a Fedora Linux installation? (Choose two answers.)

/ swap

Given the following output from /etc/fstab, which filesystems will be automatically checked on boot by the fsck command? /dev/sda1 / ext4 defaults 1 1 none /dev/pts devpts gid=5,mode=620 1 0 none /proc proc defaults 0 1 none /dev/shm tmpfs defaults 1 0 /dev/sdc2 swap swap defaults 0 1 /dev/dvd /media/dvd iso9660 noauto,ro 0 0 /dev/fd0 /media/floppy auto noauto 0 0

/, /proc and swap

You plug a USB flash memory drive into a system that has two SATA hard disks. What will the partition on this USB flash memory drive be recognized as to the Linux system?

/dev/sdc1

You want to view log files to get information about a problem that occurred during a Linux installation. In which directory will you likely find the log files?

/var/log

Which RAID level is also referred to as mirroring?

1

Which of the following kernels are developmental kernels? (Choose all that apply.)

3.5.5 3.3.4

Which RAID level uses striping with parity?

5