chapter 13 quiz questions, Linux ch 10, linux+ chapter 6 quiz questions, chapter 12 quiz questions, linux+ chapter 8 quiz questions, linux+ chapter 7 quiz questions, Linux ch 9, chapter 14 quiz questions, Linux+ chapter 5 quiz questions, chapter 2, c...
Though they may appear differently on different browsers, all audio control layouts contain the usual controls, including all of the following EXCEPT ____.
balance and slide faders
To view a mobile website in Dreamweaver as an end user will see it, ____.
change the view size to mobile and then switch to Live view
A device that transfers data in a character-by-character fashion is referred to as what type of device?
character
An error message that reads "CMOS ___________ bad" can indicate that CMOS RAM is corrupted.
checksum
Which of the following is NOT an FRU on a motherboard?
chipset
On Linux systems that use the traditional UNIX SysV init, what command below can be used to list and modify the runlevels that a daemon is started in?
chkconfig
Select the command that can be used to change the root filesystem to a different directory, such as when in a rescue environment.
chroot
What type of installation should you perform if you want to install a 64-bit version of Windows on a computer that already has a 32-bit OS installed?
clean install
A Windows domain is a type of ____ network, which is a network where resources are managed by a centralized computer.
client/server
A ____ can compress large audio files such as WAV files into a much smaller MP3 audio file type.
codec
To play an MP3 file that has been compressed with the MP3 ____, a computer must decompress the file locally to play the audio file.
codec
What character is used to delimit most Linux configuration files?
colon
A graphic-heavy mobile website ____.
consumes downloading time.
When you insert a new jQuery Mobile Page, the ____ div contains the primary information for that particular page.
content
After embedding an audio file, you can define properties to play a file automatically when the site loads, display a(n) ____, or loop the song continuously.
controller
Which command below can be used at a BASH command prompt to obtain a web page?
curl
In the chapter, you use the List View dialog box to ____.
designate the number of links needed for a page
Which of the following is not one of the three main types of Linux commands?
device calls
A panel ____ is a fixed area at the left or right edge of the workspace that hosts a panel group.
dock
In a Windows domain, where is the centralized database kept?
domain controller
Select the command below that shows the size of a directory and its contents in kilobytes:
du
A ____ boot allows you to install the new OS without disturbing the old one so you can boot to either OS.
dual
Select the command that can be used to check an ext2, ext3, or ext4 filesystem:
e2fsck
The default BASH shell prompt is set by an environment variable. What command can be used to view this variable?
echo $PS1
The quotas for certain users can be edited by using which command?
edquota
A list of all exported environment and user-defined variables in a shell can be viewed with what command below?
env
The style and appearance of each jQuery Mobile page and additional jQuery Mobile elements are determined by a(n) ____ style sheet.
external
The area of the system to listen to in non-comment entries in the /etc/syslog.conf file.
facility
A degausser can erase everything on an optical disk.
false
A user can only be a member of one group.
false
If you see smoke or smell burning, you should immediately open the case to try to identify the component that is causing it.
false
Most printers are Plug and Play compatible and must be manually configured when they are plugged into the system.
false
On most Linux systems, the logrotate utility is automatically scheduled to run weekly.
false
The price for Windows 7 is the same regardless of the edition and type of license you purchase.
false
To move a hard drive to another computer for the purposes of accessing the data, you always need to first physically install it in a drive bay.
false
Which command below provides the easiest method for monitoring free space on mounted filesystems?
fd
Select the command that can be used to create partitions that will be stored in an MBR after installation:
fdisk
After a background process has been started, what command below can be used to move it to the foreground?
fg
Errors on a filesystem are common on most filesystems. What do these errors indicate?
filesystem corruption
What construct is intended for use in processing a list of objects, such as files, directories, users, printers, and so on?
for
What command can be used to check different kinds of filesystems on Linux for errors?
fsck
What is the default target on a system with a GUI installed?
graphical.target
Menus on the Application bar may display some commands that appear ____, which indicates they are not available for the current selection.
gray
Panel ____ are sets of related panels docked together below one heading.
groups
After modifying the /etc/default/grub file, what command should be run to rebuild the grub config files?
grub-mkconfig
What command below can be used to re-install GRUB2 in the event that the boot loader becomes corrupted?
grub2-install
What command can be used to configure the LILO, ELILO, GRUB, and GRUB2 bootloaders?
grubby
What is the most common hardware component to fail on a Linux system?
hard disks
When you insert a new jQuery Mobile Page, the ____ div contains the heading (name) of the page.
header
An IPv6 IP address consists of 16-bit numbers in what numbering scheme?
hexadecimal
For some brand-name computers, the hard drive contains a ____ partition that can be used to reinstall Windows.
hidden recovery
The ____ is the starting point for a website.
home page
What command can be used to view and modify the date and time within the BIOS?
hwclock
What command can be used to assign a TCP/IP configuration to a NIC as well as view the current configuration of all network interfaces?
ifconfig
In the /etc/lilo.conf file, what keyword should be specified in order to provide the absolute pathname to the Linux kernel?
image=
What file in the /proc directory contains a list of memory address ranges reserved for device use?
ioports
What utility in the sysstat package measures the flow of information to and from disk devices?
iostat
Older hardware that is malfunctioning may begin to send large amounts of information to the CPU when not in use. What is this process called?
jabbering
In Fedora 20, the logging system used to record the messages normally stored within the boot.log, messages, and syslog files has been replaced by a journaling database system called?
journald
What command can be used to view what shared libraries are required by a certain program?
ldd
What command below can be used to uninstall the LILO bootloader from an active partition?
lilo -U
Select the file in the /proc directory that contains statistics on the performance of the processor:
loadavg
Utility used to back up and clear log files from entries stored in the /etc/logrotate.conf file and files stored in the /etc/logrotate.d directory.
logrotate
To send a print job to a printer, you must first use the ____ command and specify what to print.
lp
To see a list of all printers on the system and their status, you can use the -t option to the ____ command.
lpstat
What command is used to manage a software RAID configuration after installation?
mdadm
The ____ preload option preloads a few seconds of an audio file before the whole file plays, to ensure a smooth playback.
metadata
What file under the proc directory contains information regarding what modules are currently loaded into the Linux kernel?
modules
To mount all filesystems in the /etc/fstab file that are intended to mount at boot time, what command can be used?
mount -a
What ftp command uploads the filename from the current directory on the local computer to the current directory on the remote computer, and allows the use of wildcard metacharacters to specify the filename.
mput filename
In order to enable IP routing on Linux at boot, what setting must be configured in /etc/sysctl.conf?
net.ipv4.ip_forward
After modifying the /etc/aliases file, what command must be run in order to rebuild the aliases database?
newaliases
Which command can be used to see what network services are running on your network?
nmap
Running background processes using what command allows you to exit your command-line shell without ending any background processes?
nohup
What command can be used to see what actual time servers are being used for synchronization?
ntpq
___________________ causes the CPU to run faster than normal and can cause the CPU to overheat.
overclocking
What can be used on a Linux system to trace the lineage of each child process?
parent process ID
A ____ is the succession of folders that must be navigated to get from one folder to another.
path
What PostgreSQL command-line utility backs up PostgreSQL database settings?
pg_dump
Select the command that can be used to send a small TCP/IP packet to another IP address and await a response:
ping
Dreamweaver's work ____ are options that modify the appearance of the workspace, user interactions, accessibility features, and default settings.
preferences
In a data attribute, collectively, the word, data, and the hyphen are called a ____.
prefix
The group that is made the group owner of any file or directory that the user creates.
primary group
In the output of the ps -l command, what column is the most valuable to systems administrators because it indicates what the process is currently doing?
process state
What command below is used to display the lineage of a process by tracing its PPIDs until the init daemon?
pstree
Which network location option means that Network Discovery is turned off and you cannot join a homegroup or domain?
public network
What command below can be used to create a new physical volume?
pvcreate
To convert a system so that it uses an /etc/shadow file to store the encrypted password after installation, you can run the ____ command.
pwconv
What keyword tells the Linux kernel to avoid printing errors to the screen during system startup?
quiet
What permissions are required to execute a shell script in a manner similar to any other executable program on the system?
read and execute
Which of the following is NOT a solution to an overheating problem?
remove the covers from empty expansion slots
Which of the following is not an advantage to using a native mobile application?
responsive design for different viewports
A typical path structure has a master folder, usually called the ____.
root
In what filesystem are most of the operating system files contained?
root
Daemon that handles the logging of most events.
rsyslogd
Which of the following commands are used by the USMT software? (Choose all that apply.)
scanstate loadstate
The ____ log file contains information and error messages regarding network access generated by daemons such as sshd and xinetd.
secure
If a Linux installation ends abnormally and the screen displays a fatal signal 11 error, what type of error has occurred?
segmentation fault
Which command below can be used to start, stop, or restart any daemons in the /etc/init.d directory?
service
The environment variables that are set by default and their current values can be viewed with what command?
set
In a cron table entry, what field specifies the absolute pathname to a command that is to be executed?
sixth
Why might you disable quick booting features in BIOS when you are troubleshooting a problem?
so you can see a full POST report
Accepting print jobs into a print queue.
spooling
What file contains the DSA public key in the /etc/ssh directory?
ssh_host_dsa_key.pub
The ____ bar located below the Document window provides additional information about the document you are creating.
status
You can change ____ to suit your needs, such as adjusting the margin to accommodate a page layout.
styles
In the event that you wish to disable a swap partition, what command must be used?
swapoff
In order to change keyboard layout if X Windows can't detect the layout, you should use what CLI command?
system-config-keyboard
When using Systemd, what command can be used to start, stop, and configure daemons to start automatically when the system starts?
systemctl
Each SCSI device attached to a system must be assigned an ID number. What is this ID number called?
target ID
What is a possible consequence of the thermal compound being improperly applied to the CPU?
the CPU can overheat
If you see an error message that reads "Processor thermal trip error", what is the likely problem?
the processor has overheated
All of the following are factors to consider when deciding on an audio format and method for adding sound EXCEPT ____.
the web server's configuration
How many DNS servers can be configured in the /etc/resolv.conf file?
three
What command can be used to replace characters in a file sent via Standard Input?
tr
What command can be used to troubleshoot routing by displaying all routers between the current computer and a remote computer?
traceroute
Data is read from physical hard drives in concentric circles known as which of the following?
tracks
A computer must have a DVD drive in order to install Windows 7.
true
A poor looking video display might be caused by inadequate video RAM.
true
An upgrade from Windows Vista to Windows 7 carries applications and user settings forward into the new installation.
true
CUPS contains versions of the lpr, lpc, lpq, and lprm commands.
true
If you need to recover data off a system that won't boot, install the drive in a working system.
true
If you want to enable a printer, you must specify the printer name to the cupsenable command.
true
The OEM version of Windows 7 can only be installed on a new PC for resale.
true
When a partition is formatted with a file system and assigned a drive letter it is called a volume.
true
In order to change the time zone of a system after installation, what command must be used?
tzselect
What file system below is used by software programs that write to a CD-RW or DVD-RW drive?
udf
What command can be used to change the maximum number of file handles that can be used by a program?
ulimit
In the fdisk interactive mode, what letter can be used to save changes to the partition table and exit?
w
Which command can be used to count the number lines, words, and characters in a file?
wc
A ____ is a website coded using HTML and a browser-supported language.
web application
FTP
what service provides a method for the efficient transfer of files over the Internet?
In a Windows ____ , each computer maintains a list of users and their rights on that particular computer.
workgroup
Once X Windows is configured, what command can be used to fine tune the vertical and horizontal refresh rate?
xvidtune
If X Windows fails to start, what command can be used to troubleshoot the issue?
xwininfo
Which of the following is true about moving a hard drive from a non-working computer to a working computer for the purposes of accessing the data on the drive?
you must have an Administrator password before you can access the data on the drive
In order to list all configuration parameters that can be modified for a subfilesystem, what command should be issued?
zfs get all
Select the metacharacter that can be used to send the standard output of one command to another command as standard input:
|
What file controls the default runlevel when using Systemd?
/etc/systemd/system/default.target
You are troubleshooting an issue that occurs on a Linux system during the boot process. What file can be viewed on most Linux systems to see processes that started successfully or unsuccessfully specifically during the boot process?
/var/log/boot.log
What FTP command runs a shell on the local computer?
!
What operator below is known as the NOT operator?
!
In order to redirect a file to the standard input of a command, what metacharacter should be used?
"<"
Any line that starts with a(n) ____ character is a comment in the /etc/rsyslog.conf file.
#
What character combination at the start of a shell script are referred to as a hashpling, and allow for the specification of the shell that interprets the contents of the script?
#!
When killing a background job with the kill command, the background job ID must be prefixed by what character below?
%
What character, when appended to a command, causes the command to be run in the background?
&
In standard GRUB notation, select the option below that represents the first hard drive in a system, and the first partition on that hard drive.
(hd0,0)
When there are multiple background processes executing in the shell, the jobs command indicates the most recent one with which symbol?
+
Which option, when used with the mount command, enables loopback mode so that an iso image can be mounted onto a directory?
--loop
Select the option that, when used with the sar command, displays swap statistics:
-B
To lock an account, you can use the usermod command with the ____ option.
-L
What option for the iptables command can be used to specify the default policy for a certain chain type?
-P
What option can be specified with the rpm command to identify any missing files in a package or package dependency?
-V
What option can be used with ssh to enable tunneling of X Windows information?
-X
Select the iptables option that specifies the destination address of packets for a rule:
-d
What option can be used with the ps command to display an entire list of processes across all terminals and including daemons?
-e
What option, when added to the crontab command, opens the vi editor with a user's cron table?
-e
What option can be added to the netstat command in order to display network statistics?
-i
In order to display a list of at job IDs, what option can be specified to the at command?
-l
The ____ option to the lpstat command causes a list of printers that are enabled to be displayed.
-p
Which sar command option is used to display statistics for the processor queue?
-q
You can specify the ____ option to the userdel command to remove the home directory for the user and all of its contents.
-r
The mkfs command can be issued with what switch in order to specify a filesystem type?
-t
dd
. In vi, using command mode, what series of key presses below will cause the line on which the cursor is on to be deleted?
200 MB
. What is the recommended size for the /home directory?
Under what directory is the Linux kernel stored?
/boot
Which device file represents the first primary partition on the second PATA hard disk drive?
/dev/hdb1
What character device file represents the second serial port on a system (COM2)?
/dev/ttyS1
In Fedora 20, where are user configured settings for Xorg stored?
/etc/X11/xorg.conf.d/
Select below the configuration file that is used to configure the BIND / DNS server:
/etc/named.conf
What environment file is always executed immediately after login for all users on the system, and sets most environment variables, such as HOME and PATH?
/etc/profile
The skeleton directory on most Linux systems is ____.
/etc/skel
The sshd daemon is configured by editing what configuration file?
/etc/ssh/sshd_config
What file in the /proc directory contains information about a computer's CPU?
/proc/cpuinfo
To ensure that Linux has detected the correct amount of RAM in the system after installation, you should view the contents of what file in the proc directory?
/proc/meminfo
Where are the log files for the Samba daemon located?
/var/log/samba
What zone configuration file contains a PTR record used to identify the loopback adapter?
/var/named/named.local
On a Fedora based system, where are the shell environment and scheduled commands for at stored?
/var/spool/at
Where is the default document root directory for the Apache web server?
/var/www/html
At what runlevel does a Linux system have no daemons active in memory, allowing it to be safely powered off?
0
In NTP, what stratum consists of atomic devices or GPS clocks?
0
Processes are started with what nice value by default?
0
What number represents the stdin file descriptor?
0
What range of ports is considered to be "well-known"?
0-1023
How often are sar commands scheduled to run on both Fedora 20 and Ubuntu Server 14.04?
10 minutes
By default, the shell on a Linux system limits the number of filehandles a program can have open to what value?
1024
In some cases, the installation process fails to place a boot loader on the hard disk properly; this is often caused by hard drives with over what number of cylinders?
1024
The first software RAID volume on a system will use a multiple disk device file that starts with what number?
127
What number indicates the lowest kernel priority (PRI) of a process possible?
127
Most Parallel SCSI controllers are capable of supporting up to how many devices?
15
What is the maximum number of characters that can be used in a NetBIOS name?
15
In Linux, what runlevel is also known as the multiuser mode?
2
What number represents the stderr file descriptor?
2
What well-known TCP port is utilized by the SMTP service?
25
What is the subnet mask for a Class B IP address?
255.255.0.0
What is the subnet mask for a Class C IP address?
255.255.255.0
What is the Advanced Encryption Standard (AES) encryption algorithm's largest key length size?
256-bit
After installation, how many days do you have to activate Windows 7?
30
The GUI components and related software take up how much space on a typical Linux installation?
4GB
By default, all print jobs have a priority of ____.
50
How many different kill signals can be sent by the kill command to a given process?
64
In a SCSI chain the highest priority SCSI device is given what SCSI ID?
7
Each octet in an IP address represents a binary number consisting of how many bits / bytes?
8-bit
What hex code is associated with a Linux swap type partition?
82
IPv6 IP addresses are delimited by what character below?
:
The standard output and standard error from a terminal screen within the BASH shell can be redirected to a file on the filesystem using what shell metacharacter, followed by the absolute or relative pathname of the file?
>
How can you specify the intended DNS server to query with the dig command?
@server
RAID-Z
A ZFS volume that uses a variable stripe size and requires a minimum of three hard disks to protect against single disk failure is known as:
cal
A calendar for the current month can be shown on the command line by issuing which command?
character
A device that transfers data in a character-by-character fashion is referred to as what type of device?
4
A hard drive or SSD can be divided into partitions. What is the maximum number of primary partitions that can be used on these devices?
env
A list of all exported environment and user-defined variables in a shell can be viewed with what command below?
pwconv
A system that uses an /etc/passwd file only can be converted to use /etc/shadow for security by using what command?
-L
A user account can be locked with the usermod command using what option?
____ is the standard audio format for YouTube, iPhone, Nintendo, and PlayStation.
AAC
What is the name of the directory database that controls access to a Windows Server domain?
Active Directory
The Flash Player is available as a(n) ____ control for Microsoft Internet Explorer.
ActiveX
lpstat
Adding the -t option to what command below will provide a list of all printers on the system and their status?
fg
After a background process has been started, what command below can be used to move it to the foreground?
exit
After a shell is no longer needed, what command can be given to exit the shell?
Run the ldconfig command.
After downloading an installing any shared libraries, what should be done to ensure the list of shared library directories and the list of shared libraries are updated?
shell
After logging into a terminal, a user will receive an interface known as which option below?
newaliases
After modifying the /etc/aliases file, what command must be run in order to rebuild the aliases database?
grub-mkconfig
After modifying the /etc/default/grub file, what command should be run to rebuild the grub config files?
hexadecimal
An IPv6 IP address consists of 16-bit numbers in what numbering scheme?
rpm2cpio
An RPM package can be converted to a cpio archive using what command?
tarball
An archive of files that usually contain scripts that install the software contents to the correct location on the system is referred to as a:
Universal Access
Assistive technologies are configured using what utility on Fedora 20 in GNOME?
:q!
At the vi command mode prompt, what key combination below will force a quit from the vi editor without saving changes
0
At what runlevel does a Linux system have no daemons active in memory, allowing it to be safely powered off?
The _____________ is used to change motherboard settings, finds a boot device, and contains instructions for running essential hardware before an OS is started.
BIOS
Where should a user disable virus protection settings that might prevent the boot area of the hard drive from being altered?
BIOS setup
1024
By default, the shell on a Linux system limits the number of filehandles a program can have open to what value?
When the _____________ battery fails, the BIOS loses its time and date settings.
CMOS
To create a new HTML5 document, press ____.
CTRL+N
Which of the following commands allows you to access preferences?
CTRL+U
The most common printing system used on Linux computers.
CUPS
What kind of servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet?
DNS
Select the SQL statement below that can be used to delete a database:
DROP DATABASE
A ____ specifies the rules for the markup language so browsers can render the content correctly.
DTD
tracks
Data is read from physical hard drives in concentric circles known as which of the following?
C
Dennis Ritchie invented what programming language, which was then used to rewrite the UNIX operating system?
The environment in which you generally assemble your webpage elements and lay out your webpage is called ____ view.
Design
What directive below in Apache's httpd.conf file specifies that the index.html file in the document root directory will be sent to clients who request an HTML document?
DirectoryIndex index.html
When a Dreamweaver page is created, an option called ____ is placed in the first line of HTML code.
DocType
The ____ contains buttons that provide different views of the Document window, and some common operations related to viewing and managing the document.
Document toolbar
In the Compact workspace, Dreamweaver can display the ____ toolbars.
Document, Standard
target ID
Each SCSI device attached to a system must be assigned an ID number. What is this ID number called?
8-bit
Each octet in an IP address represents a binary number consisting of how many bits / bytes?
filesystem corruption
Errors on a filesystem are common on most filesystems. What do these errors indicate?
The fastest way to open and close panels in Dreamweaver is to use the ____ key.
F4
____ is the message displayed by a browser if the browser does not support the audio file.
Fallback text
The text warns that on some versions of the ____ browser, audio files will not play automatically even if they are properly set.
Firefox
Which message are you likely to see if the BIOS cannot find a hard drive at POST?
Fixed disk error
The primary Group ID for a user.
GID
When working with Sendmail, what command can be used to test SMTP support?
HELO
____ includes native support of video without the use of a plug-in.
HTML5
Which of the following are valid in-place upgrade paths for a computer that has Windows 7 Starter edition on it? (Choose all that apply.)
Home Premium Professional Ultimate
@server
How can you specify the intended DNS server to query with the dig command?
three
How many DNS servers can be configured in the /etc/resolv.conf file?
64
How many different kill signals can be sent by the kill command to a given process?
every ten minutes
How often are sar commands scheduled to run on both Fedora 20 and Ubuntu Server 14.04?
vim file1
I order to quickly create an empty file, what command can be used?
:
IPv6 IP addresses are delimited by what character below?
xwininfo
If X Windows fails to start, what command can be used to troubleshoot the issue?
segmentation fault
If a Linux installation ends abnormally and the screen displays a fatal signal 11 error, what type of error has occurred?
SIGHUP
If applications run into difficulties gaining resources during execution and stop functioning, restarting the process using a specific kill signal may resolve the issue. Select the proper kill signal below:
Tab
If enough unique letters of a directory name have been typed, what key can be pressed to activate the BASH shell's completion feature?
TCP wrapper
If network services that are started by inetd or xinetd are in use, what can be used to provide extra security?
6
If no level of compression is specified, the gzip command assumes what compression level?
journald
In Fedora 20, the logging system used to record the messages normally stored within the boot.log, messages, and syslog files has been replaced by a journaling database system called?
tty1
In Fedora 20, what terminal is used for graphical login?
/etc/X11/xorg.conf.d/
In Fedora 20, where are user configured settings for Xorg stored?
X Windows
In Linux, the core component of the GUI is known as:
2
In Linux, what runlevel is also known as the multiuser mode?
0
In NTP, what stratum consists of atomic devices or GPS clocks?
7
In a SCSI chain the highest priority SCSI device is given what SCSI ID?
sixth
In a cron table entry, what field specifies the absolute pathname to a command that is to be executed?
-
In a file's mode, a permission that is unavailable is represented by what character?
system-config-keyboard
In order to change keyboard layout if X Windows can't detect the layout, you should use what CLI command?
tzselect
In order to change the time zone of a system after installation, what command must be used?
ln
In order to create a hard link, what command must be used?
useradd
In order to create user accounts on a Linux system, what command should be utilized?
-l
In order to display a list of at job IDs, what option can be specified to the at command?
apt-get
In order to download DPM packages, what command should be used below?
net.ipv4.ip_forward
In order to enable IP routing on Linux at boot, what setting must be configured in /etc/sysctl.conf?
zfs get all
In order to list all configuration parameters that can be modified for a subfilesystem, what command should be issued?
cd ../..
In order to move from the /home/joe/test/data to the /home/joe directory, what command below should be issued?
<
In order to redirect a file to the standard input of a command, what metacharacter should be used?
lp
In order to send a print job to a printer using CUPS, what command must be used?
chmod 7777 filename
In order to set all of the special permissions on a certain file or directory, which command below should be used on a file named filename?
1024
In some cases, the installation process fails to place a boot loader on the hard disk properly; this is often caused by hard drives with over what number of cylinders?
(hd0,0)
In standard GRUB notation, select the option below that represents the first hard drive in a system, and the first partition on that hard drive.
image=
In the /etc/lilo.conf file, what keyword should be specified in order to provide the absolute pathname to the Linux kernel?
Ctrl+k
In the GNU Emacs editor, what key combination can be used to delete all characters between the cursor and the end of the line?
swapoff
In the event that you wish to disable a swap partition, what command must be used?
w
In the fdisk interactive mode, what letter can be used to save changes to the partition table and exit?
process state
In the output of the ps -l command, what column is the most valuable to systems administrators because it indicates what the process is currently doing?
The process is currently running on the processor.
In the process state column, what does an "R" indicate?
root
In what filesystem are most of the operating system files contained?
command mode
In what mode does the vi editor open by default?
The ____ panel contains buttons for inserting various types of objects.
Insert
You find the jQuery Mobile category on the ____.
Insert panel
____ is the basis for jQuery Mobile widgets.
JavaScript
A printing system used by many older Linux computers.
LPD
The jQuery Mobile ____ command creates a specified number of columns and rows on a jQuery Mobile Page.
Layout Grid
The ____ widget displays links as standard link text in Design view.
List View
The jQuery Mobile ____ command creates an unordered list of linked pages with a jQuery Mobile Page.
List View
____ view displays an interactive, browser-based view of a document.
Live
Microsoft Internet Explorer supports the ____ audio format.
MP3
____ (with H.264 video compression) is the new format for the web.
MPEG-4
What DNS resource record type is used to provide the IP address for the e-mail server for a zone?
MX
As of the writing of the text, the browser that supported the fewest HTML5 audio formats is ____.
Microsoft Internet Explorer
RPM
Most Linux distributions make use of what package manager?
15
Most Parallel SCSI controllers are capable of supporting up to how many devices?
If you wish to cover the major browsers listed in the chapter, you should develop your audio content in at least the ____ file formats.
OGG and MP3
____ is an open and standardized format designed for streaming and manipulating media files.
Ogg
jabbering
Older hardware that is malfunctioning may begin to send large amounts of information to the CPU when not in use. What is this process called?
chkconfig
On Linux systems that use the traditional UNIX SysV init, what command below can be used to list and modify the runlevels that a daemon is started in?
0
On Linux, the root user always has a UID of what number?
/var/spool/at
On a Fedora based system, where are the shell environment and scheduled commands for at stored?
xvidtune
Once X Windows is configured, what command can be used to fine tune the vertical and horizontal refresh rate?
In the Audio or Video dialog box, you can switch to the Details pane by first tapping or clicking the ____ button.
Organize
One popular plug-in is the Acrobat Reader for displaying ____ files.
Startup BIOS communicates ______________ errors as a series of beeps before it tests video.
POST
The jQuery Mobile ____ command creates a container for all other jQuery Mobile widgets put into a website.
Page
Any additional jQuery Mobile widgets you add to a page must be added to the ____, so that they are displayed and work correctly in a browser.
Page widget
The jQuery Mobile ____ command inserts a text box to allow for text input, but does not show the characters input into the field on a jQuery Mobile Page.
Password
Hardware Compatibility List (HCL)
Prior to performing an installation of Linux, the hardware components of the target system should be checked against what known compatible list below?
0
Processes are started with what nice value by default?
Which of the following Windows 7 64-bit version editions could be installed on a computer that has 16 GB of RAM? (Choose all that apply.)
Professional Home Premium
Network Address Translation (NAT)
Proxy servers keep track of the information passed to each client by maintaining what type of table?
If BIOS cannot access a drive in a ___________ array, use the firmware utility to check the status of each disk in the array.
RAID
A ZFS volume that uses a variable stripe size and requires a minimum of three hard disks to protect against single disk failure is known as:
RAID-Z
What RAID level is commonly referred to as disk striping with parity?
RAID5
package dependency
RPM packages that require other RPM packages to be installed on a system prior to being installed creates a relationship known as?
The ____ format has a very high degree of compression, with smaller file sizes than the MP3 format, and can also be streamed so it can begin to play before it finishes loading.
RealAudio
The sound quality of ____ files is poorer than that of MP3 files.
RealAudio
After downloading an installing any shared libraries, what should be done to ensure the list of shared library directories and the list of shared libraries are updated?
Run ldconfig command.
nohup
Running background processes using what command allows you to exit your command-line shell without ending any background processes?
What SCSI type supports speeds of up to 80 MB/second?
SCSI-3 Ultra2 Wide
If applications run into difficulties gaining resources during execution and stop functioning, restarting the process using a specific kill signal may resolve the issue. Select the proper kill signal below:
SIGHUP
What kill signal stops a process, then restarts it with the same PID?
SIGHUP
Which kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory?
SIGQUIT
Which of the following features are available in Microsoft Windows 7 Home Premium Edition? (Choose all that apply.)
Scheduled backups Windows Media Center
What tool below was designed as a secure remote access utility that encrypts information that passes across the network?
Secure Shell SSH
The jQuery Mobile ____ command creates a button that, when touched, displays a list of option values available for selection on a jQuery Mobile Page.
Select
/etc/named.conf
Select below the configuration file that is used to configure the BIND / DNS server:
DROP DATABASE
Select the SQL statement below that can be used to delete a database:
ls -l
Select the command below that can be used to provide a long listing for each file in a directory:
du
Select the command below that shows the size of a directory and its contents in kilobytes:
chroot
Select the command that can be used to change the root filesystem to a different directory, such as when in a rescue environment
mke2fs
Select the command that can be used to check an ext2, ext3, or ext4 filesystem:
fdisk
Select the command that can be used to create partitions that will be stored in an MBR after installation:
ping
Select the command that can be used to send a small TCP/IP packet to another IP address and await a response:
\f
Select the escape sequence that is used for a form feed:
\n
Select the escape sequence that starts a new line when used with echo:
loadavg
Select the file in the /proc directory that contains statistics on the performance of the processor
-d
Select the iptables option that specifies the destination address of packets for a rule:
|
Select the metacharacter that can be used to send the standard output of one command to another command as standard input:
5
Select the mode below that corresponds to setting r-x:
-p
Select the option that can be used with the lpstat command to display a list of printers that are enabled:
-l
Select the option that, when used with the gzip command, causes the compression ratio for files that have been compressed to be listed:
-B
Select the option that, when used with the sar command, displays swap statistics:
*
Select the regular expression metacharacter that matches 0 or more occurrences of the previous character.
[ A gt B ]
Select the test statement that can be used to determine if A is numerically greater than B
memtest86
Select the utility below that when run will start and perform a thorough check of RAM for hardware errors:
The jQuery Mobile ____ command creates an interactive element where the user slides a handle to update a value on a jQuery Mobile Page.
Slider
live media image
Some Linux distributions have the ability to boot an image from install media and run entirely from RAM. What is the name for this kind of image?
What stage of the GRUB boot loader typically resides on the MBR / GPT?
Stage 1
The Apache daemon listens for HTTP requests on what port by default?
TCP 80
If network services that are started by inetd or xinetd are in use, what can be used to provide extra security?
TCP wrapper
What is the most commonly used LAN protocol?
TCP-IP
40-50
The Adaptive Lempel-Ziv compression algorithm used by the compress utility is capable of an average compression ratio of what percent?
TCP 80
The Apache daemon listens for HTTP requests on what port by default?
631
The CUPS Web administration tool can be accessed via web browser by accessing what TCP port below?
/boot
The Filesystem Hierarchy Standard specifies what directory as containing the Linux kernel and the boot loader configuration files?
/root
The Filesystem Hierarchy Standard specifies what directory as the root user's home directory?
Free Software Foundation (FSF)
The GNU General Public License (GPL) was developed by which organization?
4GB
The GUI components and related software take up how much space on a typical Linux installation?
Emacs editor
The LISP artificial intelligence programming language can be used with which text editor below?
vmlinuz
The Linux kernel exists as a file named:
Linus Torvalds
The Linux kernel was developed and released in 1991 by:
KDE
The QT toolkit is utilized by which GUI environment?
514
The System Log Daemon uses what TCP and UDP port to accept incoming requests from another System Log Daemon on a remote system?
awk
The ability to extract, manipulate, and format text using pattern action statements belongs to which command below?
man -k list
The apropos list command produces the same results as which command below?
$
The contents of a certain variable in memory can be viewed using which metacharacter below in combination with the echo command?
echo $PS1
The default BASH shell prompt is set by an environment variable. What command can be used to view this variable?
nine
The dump/restore utility is limited to a maximum of how many different incremental backups?
set
The environment variables that are set by default and their current values can be viewed with what command?
127
The first software RAID volume on a system will use a multiple disk device file that starts with what number?
Firewall
The iptables software on Linux is an example of what kind of software?
-t
The mkfs command can be issued with what switch in order to specify a filesystem type?
Total cost of ownership (TCO)
The overall cost of using a particular operating system is known as?
In the process state column, what does an "R" indicate?
The process is currently running on the processor.
When viewing the output of the ps ax command, what does a < symbol in the STAT column indicate for a process?
The process is high priority.
edquota
The quotas for certain users can be edited by using which command?
the mode of the file
The section of an inode that stores permissions is referred to as what?
/etc/ssh/sshd_config
The sshd daemon is configured by editing what configuration file?
>
The standard output and standard error from a terminal screen within the BASH shell can be redirected to a file on the filesystem using what shell metacharacter, followed by the absolute or relative pathname of the file?
newgrp
To change the primary group temporarily to another group that is listed in the output of the groups and id commands, you can use which command below?
tac
To display a text file in reverse order, what command should be used?
cat data
To display the contents of a text file called data, what command should be used?
/proc/meminfo
To ensure that Linux has detected the correct amount of RAM in the system after installation, you should view the contents of what file in the proc directory?
mount -a
To mount all filesystems in the /etc/fstab file that are intended to mount at boot time, what command can be used?
What port is used by the Network Time Protocol (NTP) for communication?
UDP 123
The unique User ID that is assigned to each user.
UID
/var
Under the root directory in Linux, which directory contains system commands and utilities?
/boot
Under what directory is the Linux kernel stored?
Assistive technologies are configured using what utility on Fedora 20 in GNOME?
Universal Access
[1-4]
Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?
You can choose to display or hide the toolbars by clicking ____ on the Application bar and then pointing to Toolbars.
View
The large file size of files in the ____ format severely limits the length of sound clips that you can use on your webpages.
WAV
MX
What DNS resource record type is used to provide the IP address for the e-mail server for a zone?
!
What FTP command runs a shell on the local computer?
Red Hat
What Linux distribution is the most commonly used distribution within organizations today?
pg_dump
What PostgreSQL command-line utility backs up PostgreSQL database settings?
RAID5
What RAID level is commonly referred to as disk striping with parity?
SCSI-3 Ultra2 Wide
What SCSI type supports speeds of up to 80 MB/second?
alert
What System Log Daemon priority indicates an error that should be rectified immediately, such as a corrupt system database?
g+r-w
What argument can be used with the chmod command to add read permission and remove write permission for a group on a file?
parent process ID
What can be used on a Linux system to trace the lineage of each child process?
#!
What character combination at the start of a shell script are referred to as a hashpling, and allow for the specification of the shell that interprets the contents of the script?
/dev/ttyS1
What character device file represents the second serial port on a system (COM2)?
colon
What character is used to delimit most Linux configuration files?
&
What character, when appended to a command, causes the command to be run in the background?
pvcreate
What command below can be used to create a new physical volume?
grub2-install
What command below can be used to re-install GRUB2 in the event that the boot loader becomes corrupted?
lilo -U
What command below can be used to uninstall the LILO bootloader from an active partition?
pstree
What command below is used to display the lineage of a process by tracing its PPIDs until the init daemon?
rm
What command below takes a list of arguments specifying the absolute or relative pathnames of files to remove?
pwd
What command can be issued to confirm what directory you are in at a command line prompt?
ifconfig
What command can be used to assign a TCP/IP configuration to a NIC as well as view the current configuration of all network interfaces?
ulimit
What command can be used to change the maximum number of file handles that can be used by a program?
fsck
What command can be used to check different kinds of filesystems on Linux for errors?
grubby
What command can be used to configure the LILO, ELILO, GRUB, and GRUB2 bootloaders?
cp
What command can be used to copy files?
zcat
What command can be used to display the contents of a file that was compressed with the compress utility?
tail -5
What command can be used to display the last five lines of a text file?
tr
What command can be used to replace characters in a file sent via Standard Input?
dpkg-query
What command can be used to search for DPM package information?
ntp_query
What command can be used to see what actual time servers are being used for synchronization?
traceroute
What command can be used to troubleshoot routing by displaying all routers between the current computer and a remote computer?
hwclock
What command can be used to view and modify the date and time within the BIOS?
ldd
What command can be used to view what shared libraries are required by a certain program?
stat
What command is most effective at identifying different types of files?
mdadm
What command is used to manage a software RAID configuration after installation?
make
What command looks for a Makefile and uses the information within to compile the source code into binary programs using the appropriate compiler program for the local hardware architecture?
DEC PDP-7
What computer system was the first to run the UNIX operating system?
login.defs
What configuration file contains parameters that set the default location for e-mail, password expiration information, minimum password length, and the range of UIDs and GIDs available for use?
for
What construct is intended for use in processing a list of objects, such as files, directories, users, printers, and so on?
/dev/nht0
What device file below indicates the first ATAPI IDE tape device (nonrewinding)?
DirectoryIndex index.html
What directive below in Apache's httpd.conf file specifies that the index.html file in the document root directory will be sent to clients who request an HTML document?
It removes all extra ACL assignments on a given file.
What does the setfacl -b command do?
/etc/profile
What environment file is always executed immediately after login for all users on the system, and sets most environment variables, such as HOME and PATH?
ssh_host_dsa_key. pub
What file contains the DSA public key in the /etc/ssh directory?
/etc/systemd/system/default.target
What file controls the default runlevel when using Systemd?
ioports
What file in the /proc directory contains a list of memory address ranges reserved for device use?
/proc/cpuinfo
What file in the /proc directory contains information about a computer's CPU?
udf
What file system below is used by software programs that write to a CD-RW or DVD-RW drive?
modules
What file under the proc directory contains information regarding what modules are currently loaded into the Linux kernel?
mput filename
What ftp command uploads the filename from the current directory on the local computer to the current directory on the remote computer, and allows the use of wildcard metacharacters to specify the filename.
82
What hex code is associated with a Linux swap type partition?
DVD
What installation media source is the most common source for Linux packages?
256-bit
What is the Advanced Encryption Standard (AES) encryption algorithm's largest key length size?
60%-70%
What is the average compression ratio for the gzip utility using the LZ77 compression algorithm?
50
What is the default print job priority for all print jobs created by the lp command?
graphical.target
What is the default target on a system with a GUI installed?
15
What is the maximum number of characters that can be used in a NetBIOS name?
2
What is the minimum number of user accounts that must be created at install time?
Hard DIsk
What is the most common hardware component to fail on a Linux system?
TCP/IP
What is the most commonly used LAN protocol?
255.255.0.0
What is the subnet mask for a Class B IP address?
255.255.255.0
What is the subnet mask for a Class C IP address?
ZFS volume
What is the term for a ZFS managed filesystem that is created from ZFS pools?
quiet
What keyword tells the Linux kernel to avoid printing errors to the screen during system startup?
SIGHUP
What kill signal stops a process, then restarts it with the same PID?
DNS
What kind of servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet?
secure
What log file contains information and error messages regarding network access generated by daemons such as ssd and xinetd?
;
What metacharacter can be used to issue tw term-31o commands to be run in consecutive order, without piping or redirecting output?
~
What metacharacter can be used to refer to the current user's home directory?
&
What metacharacter indicates background command execution?
127
What number indicates the lowest kernel priority (PRI) of a process possible?
2
What number represents the stderr file descriptor?
0
What number represents the stdin file descriptor?
!
What operator below is known as the NOT operator?
-P
What option can be added to the dpkg command to remove a specified package from the system, including any configuration files used by the package?
-i
What option can be added to the netstat command in order to display network statistics?
-q
What option can be added to the rpm command in order to query packages?
-F
What option can be added to the rpm command to upgrade a specified package only if an older version exists on the system?
-r
What option can be added to the userdel command to remove the home directory of the target user?
-V
What option can be specified with the rpm command to identify any missing files in a package or package dependency?
SystemMaxUse
What option can be used in the journald configuration file to specify a file size limit to the event log?
-X
What option can be used with ssh to enable tunneling of X Windows information?
-e
What option can be used with the ps command to display an entire list of processes across all terminals and including daemons?
-P
What option for the iptables command can be used to specify the default policy for a certain chain type?
-d
What option should be used in conjunction with the lp command in order to specify the destination printer name?
-e
What option, when added to the crontab command, opens the vi editor with a user's cron table?
-r
What option, when added to the rm command, is commonly referred to as the -resume option?
execute
What permission (when applied to a directory) allows a user to enter the directory and work with directory contents?
write
What permission (when assigned to a file) grants a user the ability to open, read, and edit the contents of a file?
write
What permission grants a user the ability to open, read, and edit the contents of a file?
read and execute
What permissions are required to execute a shell script in a manner similar to any other executable program on the system?
device driver
What piece of software tells the operating system how to use a specific hardware device?
UDP 123
What port is used by the Network Time Protocol (NTP) for communication?
panic
What priority used by the System Log Daemon indicates a very serious system condition that would normally be broadcast to all users?
0-1023
What range of ports is considered to be "well-known"?
superblock
What section of a filesystem contains information about the filesystem in general?
Freeware
What software type is software that is distributed free of charge, but the source code is not available?
Stage1
What stage of the GRUB boot loader typically resides on the MBR / GPT?
GNU Public License
What stipulates that the source code of any software published under its license must be freely available.
virtual host
What term describes the physical hardware and the underlying operating system upon which a virtual machine runs?
Secure Shell (SSH)
What tool below was designed as a secure remote access utility that encrypts information that passes across the network?
iostat
What utility in the sysstat package measures the flow of information to and from disk devices?
25
What well-known TCP port is utilized by the SMTP service?
yum grouplist
What yum command below can display a list of package group names?
/var/named/named.local
What zone configuration file contains a PTR record used to identify the loopback adapter?
@
When issuing the ls -F command, what special character indicates a linked file?
%
When killing a background job with the kill command, the background job ID must be prefixed by what character below?
+
When there are multiple background processes executing in the shell, the jobs command indicates the most recent one with which symbol?
-f
When used with the compress command, what option below can be used to compress symbolic links?
-c
When used with the uncompress command, what option displays the contents of the compress file to Standard Output?
systemctl
When using Systemd, what command can be used to start, stop, and configure daemons to start automatically when the system starts?
Options
When using command-line terminal, specific letters that start with a dash ("-") and appear after command names are considered to be:
7
When using the chmod command, the mode rwx can be represented by which number?
.Z
When using the compress utility, each file specified for compression is renamed with what extension?
The process is high priority.
When viewing the output of the ps ax command, what does a < symbol in the STAT column indicate for a process?
minor number
When viewing the version number for a Linux kernel, what number indicates the stability of the kernel?
HELO
When working with Sendmail, what command can be used to test SMTP support?
/var/log/samba
Where are the log files for the Samba daemon located?
/var/www/html
Where is the default document root directory for the Apache web server?
/etc/skel
Where is the skeleton directory located on most Linux systems?
whoami
Which Linux command can be utilized to display your current login name?
{}
Which character(s) below represent extended regular expression metacharacter(s)?
curl
Which command below can be used at a BASH command prompt to obtain a web page?
service
Which command below can be used to start, stop, or restart any daemons in the /etc/init.d directory?
df
Which command below provides the easiest method for monitoring free space on mounted filesystems?
wc
Which command can be used to count the number lines, words, and characters in a file?
nmap
Which command can be used to see what network services are running on your network?
lpadmin
Which command should be used to restrict access to printers?
/dev/hdb1
Which device file below represents the first primary partition on the second PATA hard disk drive?
SIGQUIT
Which kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory?
device calls
Which of the following is not one of the three main types of Linux commands?
Hiring people to maintain the Linux system
Which of the following is the greatest expense for companies using Linux?
Ctrl+g
Which of the following key combinations, commonly used in the vi editor command mode, displays current line statistics?
--loop
Which option, when used with the mount command, enables loopback mode so that an iso image can be mounted onto a directory?
-q
Which sar command option is used to display statistics for the processor queue?
-F
Which switch below can be added to the ls command to show a list of files and their type?
Artistic
Which type of open source license ensures that the source code of a program is freely available while also allowing the original author of the source code some control over the changes made to it?
To open any of Dreamweaver's panels, inspectors, or bars, click ____ on the Application bar.
Window
/var/log/boot.log
You are troubleshooting an issue that occurs on a Linux system during the boot process. What file can be viewed on most Linux systems to see processes that started successfully or unsuccessfully specifically during the boot process?
What is the term for a ZFS managed filesystem that is created from ZFS pools?
ZFS volume
Select the test statement that can be used to determine if A is numerically greater than B:
[ A -gt B ]
Select the escape sequence that is used for a form feed:
\f
Select the escape sequence that starts a new line when used with echo:
\n
What can be the result of a missing standoff?
a short on the motherboard
Under what circumstances might you need to rebuild a RAID volume?
after you replace a failed disk
The ____ priority used by the System Log Daemon indicates an error that should be rectified immediately, such as a corrupt system database.
alert
What can you conclude if you heard one short beep during system boot?
all POST tests passed
The ability to extract, manipulate, and format text using pattern action statements belongs to which command below?
awk
