On a large network, manually assigning addresses can be very time consuming & requires network administrators to understand physical addressing.
Dynamic address assignment can help segment a large network & requires network administrators to understand physical addressing.
Which of the following statements best describes DNS?
DNS servers are used to map a name to an IP address.
DNS servers are used to map an IP address to a physical address.
DNS servers are used to configure logical address information for host computers.
DNS servers are used to translate from private addresses to public addresses.
Which two of the following statements accurately describe a default gateway?
A default gateway is the IP address assigned to the near-side router interface & is used when a host transfers data to a host on another network segment.
A default gateway is used when a host transfers data to a host on another network segment & is used when a host transfers data to another host on the same network segment.
A default gateway is the IP address assigned to the near-side router interface & is used when a host transfers data to another host on the same network segment.
A default gateway is the IP address assigned to the near-side switch interface & is used when a host transfers data to another host on the same network segment.
What are three options for assigning logical addresses to hosts?
static, dynamic & automatic
static, dynamic & negotiation
dynamic, automatic & negotiation
static, automatic & negotiation
How many bits are in an IP address?
32
16
48
64
What is the main function of the DNS?
to translate computer names to their corresponding IP addresses
to scan the network for viruses
to assign IP addresses to nodes on the network
to provide names to all the nodes on a network
What are the two most common wireless networking technologies?
radio frequency & infrared
radio frequency &satellite wavelength
radio frequency & satellite wavelength
radio frequency & microwave
What are three important considerations when selecting a NIC?
network type, system bus & network media
network type, system bus & number of network users
network type, system bus & operating system
network type, system bus & number of network users
Which term refers to the path that signals take from one point on a network to another?
logical topology
address resolution
dynamic host configuration
physical topology
Which two devices are at the core of wireless communications?
transmitters & receivers
receivers & satellites
transmitters & satellites
receivers & modulators
Which of the following devices is used to segment a network into different broadcast domains?
router
switch
active hub
bridge
Which IP address range, as indicated by the first octet, is reserved for testing, and includes the loopback address?
127.x.x.x
168.x.x.x
255.x.x.x
192.x.x.x
Which service is used to enable individual computers to automatically obtain an IP address?
DHCP
WINS
DNS
ARP
How many octets are contained in an IP address?
4
2
6
8
Which address class contains the IP address 168.12.0.0?
B
A
C
D
What is the range of numbers in the first octet of a Class C address?
192-223
1-127
128-191
224-255
What is the range of numbers that can be used in the first octet of a Class A network?
1-126
128-191
192-223
1-255
What is subnetting?
dividing large networks into smaller ones using the same network number
allowing several small networks to communicate over the common carrier infrastructure
combining several networks into a single larger network
allowing separate companies to share an IP address by taking turns using it
What must a computer have when connected to a network?
one unique address per connection point
one unique name per function
one unique address per service
one unique network
Which classes of IP addresses are used by commercial organizations for host addressing?
A,B,C
A,C,D
B,C,D
C,D,E
How would a technician permanently change the IP address of an Ethernet card on a Red Hat Linux PC to 192.168.34.4?
edit the IPADDRESS line in the file /etc/sysconfig/network-scripts/ifcfg-eth0
use the command ifconfig eth0 192.168.34.4
use the command route add default IP 192.168.34.4 dev eth0
use the command ping 192.168.34.4
In which layer of the TCP/IP model does ICMP operate?
Internet
Application
Transport
Network Access
Which of the following rely on ICMP?
sending an Echo Request
logging in to a remote host
mapping an IP address to a MAC address
resolving a host name
Which utility is used in Windows and Linux to view network connections and protocol statistics?
netstat
arp
nbstat
ipconfig
A technician needs to log into a remote Linux PC to perform some maintenance. Which application layer protocol could be used?
Telnet
FTP
HTTP
SNMP
Which Linux command is used to temporarily change the default gateway of a host?
route
netstat
ping
arp
What is the primary function of NAT?
translate between a local IP address and a global IP address
convert a MAC address to a domain name
allocate IP addresses to commercial organizations
determine the best route through a network
The performance of a network has dropped. Which command should an administrator use in a Linux system to determine which routers are causing the problem?
traceroute
ping
tracert
route
Which protocol is used to translate a domain name into an IP address?
DNS
UDP
ARP
NetBIOS
What is a unique characteristic of the IP addressing scheme?
hierarchical addressing
flat addressing
internetwork addressing
single-octet addressing
What are three characteristics of an intranet?
firewalls, multiple networks across the company & web servers
firewalls, multiple networks across the company & local area network only
web servers, multiple networks across the company & local area network only
firewalls, web servers & local area network only
Which two protocols are used to control the transfer of web resources from a web server to a client browser?
HTTP & HTTPS
HTTPS & FTP
FTP & ASP
HTTP & ASP
Which popular web server software is only available for Windows operating systems?
Internet Information Server
Apache
Firefox
Internet Explorer
Which protocol was designed for file sharing on the Internet?
FTP
HTTP
SMTP
TCP
Which protocol controls web page transmission?
HTTP
FTP
SMTP
DNS
What are two common uses of scripting languages?
automate administrative tasks, such as cycling log files & run scheduled tasks at user login
run scheduled tasks at user login & provide user interaction with a compiled program
automate administrative tasks, such as cycling log files & provide user interaction with a compiled program
run scheduled tasks at user login & deliver files to remote users on request
Which scripting language can be used on a Linux server to notify users that a print job is complete?
shell script
JavaScript
JScript
VBScript
What is the default order in which print jobs are processed when using a FIFO queue?
The oldest job in the queue is printed first.
The last job placed in the queue is the first to be printed.
Smaller jobs are printed before larger jobs.
Larger jobs are printed before smaller jobs.
Where do print jobs wait to be printed?
print queue
print list
wait list
print job roster
Which TCP/IP protocol is responsible for file sharing?
NFS
DNS
UDP
IPX
Which of the following is a list of common FTP commands?
get, put, cd, bye
download, upload, dir, chdir, exit
send, receive, dir, cd, exit
transfer [from | to], list, dir, exit
Which statement correctly describes an NIS slave?
An NIS slave contains a copy of the NIS database.
An NIS slave is where the NIS database is maintained.
An NIS slave is where the NIS database is created.
An NIS slave contains the portions of the NIS database needed by the clients it serves.
A network administrator is operating in the GNOME desktop environment. Which application would the administrator start in order to establish a command line session with a remote server?
xterm
gFTP
Mozilla
Star Office
What is the purpose of a directory service?
It provides administrators with centralized control of users and resources across the network.
It increases the need for redundant logins.
It impairs network security and must therefore be used with a firewall.
It keeps track of the home addresses and phone numbers of all users.
Which version of Directory Service does Linux use?
NIS
NDS
NFS
NDAP
Which syntax is invalid for opening an FTP connection?
ftp connect hostname
ftp
ftp 192.127.34.219
ftp computer.company.com
Which of the following is a list of popular scripting languages?
VBScript, Linux shell script, JavaScript
X Window script, vi script, Gnome script
XML script, Sequel, Gnomepad
UNIX shell script, pico script, EmacsScript
A user account on a server enables the server to do which of the following?
authenticate that user and allocate those resources the user is allowed to access
automatically download appropriate applications and print queues to that user
assign a specific IP and MAC address to the user's workstation
assign the user to a specific domain and user group
How is redundancy built into a server system?
by including additional hardware components that can take over if other components fail
by including a tape back-up system to preserve data
by adding redundancy software to the system
by keeping duplicates of all data
How is redundancy built into a server system?
by including a tape back-up system to preserve data
by including additional hardware components that can take over if other components fail
by adding redundancy software to the system
by keeping duplicates of all data
What are two important features provided by security on a NOS?
authentication and encryption
reliable performance and account management
virus protection and prevention from spamming
processor balance and sustained work load
Which Linux distribution was built solely for nonprofit uses?
Debian GNU/Linux
Caldera eDesktop and eServer
SuSE Linux
LinuxPPC
Which of the following is a better choice than Telnet for Remote Login Servers on a Linux system?
SSH
SSL
Kerberos
Remote Access
In a Windows NT environment, what is the meaning of the term domain?
groups of computers, users, and resources that form an administrative boundary
a dedicated server containing the database of all IP and MAC addresses on the network
a group of computers located in a specific physical or geographic region
the OU that contains all user accounts
How many Primary Domain Controllers (PDCs) are allowed in a Windows NT environment?
1
2
4
9
Windows 2000 Professional supports plug-and-play technology. What is one of the major advantages of this technology?
An administrator or user can easily add components to the system without manual configuration.
An administrator can add devices from any manufacturer to the system and they will work.
Devices no longer need software drivers to interact with the system.
Components will interact with the system if plugged in prior to system boot.
Which type of authentication security does Windows 2000 Professional support?
Kerberos
Secure Socket Layer
Samba
Apache
Which of the following is open source?
Linux
all versions of NetWare
Windows 2000
all versions of UNIX
Which program, running on a Linux server, allows Windows-based clients to see the Linux file system without installing client software?
Samba
NFS
Apache
KDE
Which client/server file system is used by most varieties of Linux file servers?
NFS
FAT32
NT
SMB
What are two popular Desktop Environments that run on Linux?
GNOME and KDE
Apache and Samba
Xfree86 and GNOME
Apache and KDE
Which of the following criteria must software meet in order to display the Open Source Initiative trademark?
It must be freely distributed without restriction and the source code must be available.
It must be easily altered and adapted to all major operating systems and source code must be limited.
It must be compatible with third party add-ons and use standard source code.
It must be provided in multiple languages and cost must be minimal.
What are three important considerations when selecting a Linux distribution?
whether the computer will be used as a client or a server, whether or not a GUI interface is required & the experience level of the user
whether the computer will be used as a client or a server, whether or not a GUI interface is required & whether or not a command line user interface is required
whether the computer will be used as a client or a server, the experience level of the user & whether or not a command line user interface is required
whether or not a GUI interface is required, the experience level of the user & whether or not a command line user interface is required
Which one of the following office tools is available for both Linux and Windows?
StarOffice
ClarisWorks
ApplixWare
Lyx
Which statement accurately describes the Slackware Linux distribution?
The system is to act as a DNS server.
The operating system is to run on a dual-processor system.
The company needs an intranet based on a small web server.
The server will be accessed by up to ten simultaneous users.
Most NOSs will only run on certain hardware configurations. For which four items are minimum requirements specified?
CPU speed , CPU Type, Ram & Hard Disk Space
CPU speed , CPU Type, Ram & CD-Rom Drive
CPU speed , NIC, CD-Rom Drive and Hard Disk Space
CPU Type , CD-Rom Drive, Ram & Hard Disk Space
How many partitions can an MS-DOS-type partition table describe?
four
one
two
eight
What is the best source of hardware compatibility information?
the World Wide Web
a hardware manual
a software manual
the CD-ROM readme document
Which of the following Windows file systems is the most appropriate for a network file server?
NTFS
FAT16
FAT32
HFS
When setting up a hard disk, what are the three possible types of partitions?
primary, logical, and extended
primary, secondary, and logical
C, D, and E
boot, program, and data
Which task should be performed before installing a NOS?
Verify that the NOS supports all application software that will run on the server.
Change the system hardware and peripherals before beginning.
Run the evaluator software prior to loading to establish hardware settings.
Be familiar with the NOS so configuration questions can be ignored.
What are two valid file systems for a Linux partition?
ext2 & ext3
ext1 & ext2
FAT & FAT32
HFS & ext1
ext3 introduced journaling capabilities to Linux file systems. What is an advantage of a journaling file system?
It reduces the time spent recovering a file system after a crash.
It allows administrators to determine the owners of files created on the system.
It keeps file clusters attached to the files to which they are allocated.
It enables Linux systems to interoperate with Windows systems.
How is the root partition identified in Linux?
/
?
Root
/root
Linux systems typically dedicate an entire partition to virtual memory. What is this partition called?
the swap partition
the RAM partition
the pagefile partition
the memory partition
Which four items of information are required for TCP/IP network configuration?
IP address of host, subnet mask, IP address of default gateway & IP address of DNS server
IP address of host, subnet mask, IP MAC address & IP address of DNS server
IP address of host, subnet mask,host name & MAC address
MAC address, host name, IP address of default gateway & IP address of DNS server
The ping command is used to test network connectivity. What is the best IP address to ping for this test?
the default gateway address
the DNS address
the loopback address
the local NIC address
Which Windows file performs the same function as the Linux LILO files?
NTLDR
HAL
NTDETECT
NTOSKRNL
What is the first step every computer will perform when it is turned on, regardless of the operating system?
POST
boot
RAM
SCSI
Which Windows utility can be used to perform a hardware inventory?
Device Manager
Administrative Tools
ScanDisk
Windows Explorer
The figure shows a section of the display from Device Manager. What does it show about the laser printer?
Windows recognized the device but could not locate a suitable driver.
The network cable is unplugged.
Windows does not know the proper name of the device.
Windows could not locate the device in the expected location
What must be done when setting up a RAID array in Linux?
The disks must be mounted using LVM.
All the disks must be partitioned as primary partitions.
All the partitions need an extended partition.
The disks must be formatted using NFS.
A technician is trying to configure a PC to dual boot with Windows XP and Linux. XP has already been installed and configured in one partition. Linux has been installed in another partition. The technician wishes to replace the LILO loader with grub but is having problems. What is the most likely cause of the problem?
The technician did not run /sbin/grub-install.
The technician did not remove the LILO files first.
Grub will not work with XP.
Linux should have been loaded first.
Linux should have been loaded first.
Enter the CMOS setup and set the boot sequence to boot from the CD-ROM drive first.
Nothing, it will automatically boot from the CD.
Select the correct install device option from the menu.
Insert the Windows 2000 CD in the CD-ROM drive and press Enter.
Which two of the following tasks are performed before the Setup wizard stage of a Windows 2000 installation?
reconfigure hard disk partitions if necessary & format the disk
format the disk & enter the product registration key
reconfigure hard disk partitions if necessary & enter the product registration key
enter the product registration key & configure networking
Which command can be used in Windows 2000 to capture the output from a printer port and redirect it to a network printer?
net use
capture
lpt1 > net
netprint
What are three desirable characteristics of a print server?
fast processor, adequate RAM & adequate disk space
adequate RAM, adequate disk space & adequate tape backup
adequate disk space, adequate tape backup & fast processor
fast processor, adequate RAM & adequate tape backup
In the Windows 2000 NOS, which tools must be loaded to run FTP services?
Internet Information Services
FTP Services
Network Services
Site Services
In Windows 2000, what is the name of the HTTP web service located in the Administrative Tools menu?
Default Web Site
Default FTP Site
Default Web Service
Default Internet Information Service
Which two statements about computer names in Windows 2000 are correct?
The maximum length for a computer name is 15 characters & there is a default computer name based on the organization name.
There is a default computer name based on the organization name & the maximum length for a computer name is 255 characters.
The maximum length for a computer name is 15 characters & the maximum length for a computer name is 255 characters.
The maximum length for a computer name is 255 characters & computer names on a network do not need to be unique if they have unique IP addresses.
What is the main reason that NTFS is the preferred file system for a Windows 2000 partition?
It offers better security than any of the alternatives.
It is the only file system that is available to a Windows 2000 administrator.
It cannot be accessed by Linux systems.
Most Windows 2000 administrators are trained to use NTFS.
Which component of Windows 2000 accommodates many types of scripting languages?
WSH
VBScript
JScript
ShellScript
An administrator has written a script in VBScript and saved the file. What must the administrator do to ensure that WSH is aware that this is a VBScript file?
The file must have the extension .vbs.
The first line of the script file must be VBS.
The WSH configuration file needs to be updated with the name of the new script file.
WSH must be informed that it is a VBScript file when it is loaded.
Which Windows tool allows an administrator to easily view or navigate a file system?
Windows Explorer
Internet Explorer
WinNT Explorer
File Explorer
An administrator needs an account that can be used to manage all the computers in a domain. What is the name of the group that Windows 2000 provides to allow the administrator to perform this function?
Domain Admins
Root
Admin
Administrator
What is the purpose of the user's full name in the New User account box?
It is informational only.
It authenticates the username.
It allows the user to logon.
It matches the user to permissions.
In Windows 2000, what is the best way to restore a deleted user account?
Delete cannot be undone.
Select undelete from the popup menu.
Create a new account with the same user name.
Select undo from the Edit menu.
An administrator has just finished setting up a Windows 2000 PC. What should the administrator do first to ensure that the NIC has been correctly configured?
run the ipconfig /all command
run the ifconfig -a command
ping the local host
ping the default gateway
In Windows 2000, which of the following is a required field when creating a new user account?
the user name
the full name
the password
the description
Which three of the following groups can be created in Windows 2000?
local groups, global groups & domain local groups
global groups, audit groups & domain local groups
domain local groups, audit groups & local groups
audit groups, global groups & local groups
Which of the following statements about passwords are correct?
Passwords should be at least five characters long & should contain at least one non-alphabetic character.
Passwords should contain at least one non-alphabetic character & no two users should have the same password.
Passwords should be at least five characters long & no two users should have the same password.
Passwords should contain at least one non-alphabetic character & should be easy to remember such as a favorite sports team.
What must a Windows 2000 client do in order to assign a logical drive letter to a shared folder on a network file server?
map to the network drive
link to the file server
share the network folder
create a path to the file server
Which method should an administrator use to provide for securely sharing files on a larger network?
require users to map to a network drive on a network file server on the LAN
only allow clients used by trusted users to share files with others on the network
arrange for each host on the network to share files with the other hosts on the network to distribute the load
set up an area on a web server that can then be accessed from anywhere through web browsers
A network administrator is setting up a web presence for a small company. The company plans to use the address www.thecompany.com but has not created a DNS entry for the server yet. The administrator has set up a new web server on a networked machine with the IP address 111.111.111.111. What should the administrator initially do to determine if the web server is functioning?
Run a web browser on the server machine and enter the address http://127.0.0.1.
Run a web browser on a host connected to the same network and enter the address http://111.111.111.111.
Ask someone outside the organization to try to access the website using the address http://111.111.111.111.
Run a web browser on a host connected to the same network and enter the address http://www.thecompany.com.
What is the default method of authentication used by Telnet in a Windows 2000 environment?
NTLM
plain text
kerberos
ND5
You would like to install the samba program on your Linux machine. You have located the file samba-2.0.7.tar.gz. Which command should you use to completely unpack the files in this package?
tar -xvzf samba-2.0.7.tar.gz
gunzip samba-2.0.7.tar.gz
tar -xvf samba-2.0.7.tar.gz
gunzip -xvf samba-2.0.7.tar.gz
A user wishes to install Linux on a PC with an Intel compatible Pentium class processor and 64 MB of RAM. What is the recommended minimum amount of free space on the hard drive to complete the installation?
900 MB
200 MB
500 MB
2 GB
You have decided to install your new Linux distribution by using the bootable CD that came with it. What must be configured before you can boot from the CD?
BIOS
CMOS
NVRAM
Hard drive
You are installing RedHat 7.2 and have decided to use the installation class called "Workstation". Which of the following packages will not be installed? (Select two.)
Telnet daemon & HTTP daemon
HTTP daemon & Vi editor
Telnet daemon & Vi editor
Telnet daemon & Sendmail daemon
Which of the following would be standard file system types that Linux would use during an installation?
ext2 & ext3
ext3 & NTFS
ext2 & NTFS
ext3 & FAT32
You would like to perform a high-level format on a hard disk. Which of the following Linux commands will accomplish this?
mkfs
format
fdformat
mkhfs
Which three statements are correct when describing the ifconfig command?
Settings must be saved following this command or they will be lost when the computer is rebooted, the NIC card can be set up and configured using this command & the IP address of the local host can be assigned using this command.
The NIC card can be set up and configured using this command, the IP address of the local host can be assigned using this command & the hardware address of the local host can be assigned using this command.
The IP address of the local host can be assigned using this command, the hardware address of the local host can be assigned using this command & Settings must be saved following this command or they will be lost when the computer is rebooted
Settings must be saved following this command or they will be lost when the computer is rebooted, the NIC card can be set up and configured using this command & the hardware address of the local host can be assigned using this command.
Which of the following commands would assign a default gateway of 172.16.5.3 to the local host?
route add default gw 172.16.5.3
ifconfig eth0 def-gate 172.16.5.3
ifconfig eth0 default gw 172.16.5.3
route add def-gate 172.16.5.3
Which term describes the Linux superuser account?
root
sys
power user
daemon
When is the root account typically created in Linux?
during NOS installation
at first login
when configuring NOS user accounts
after user accounts are created
You have formatted a drive while doing a Linux installation for a production server. The formatting revealed that there were several bad blocks. You see that the bad blocks make up about four percent of the total disk. Which of the following would be the best course of action?
replace the drive
reformat the drive with a high level format
reformat the drive with a low level format
mark the blocks as "bad" and continue the installation
A file system is written to a partition when a hard drive is formatted. Which three of the following file systems can be used in a typical Linux installation? (Choose three.)
ext2 & ext3 & Reiser
ext2 & ext3 & RNTFS
ext2 & NTFS & Reiser
ext3 & Reiser & NTFS
Which of the following directories stores the package database for the Red Hat Package Manager?
/var/lib/rpm
/etc/var/rpm
/etc/lib/rpm
/var/rpm/db
Which of the following is the most widely supported package type available in Linux?
tarballs
RPMs
DPMs
gzip
You have tried to install a particular RedHat package but it keeps telling you that it has a "failed dependency". What would cause this error?
The package depends on another package being installed.
The package depends on certain user input.
The package depends on operating system input.
The package depends on hardware that is not present in the computer.
Which of the following can be set within the LILO configuration file?
an option to clear the /tmp directory at boot
an option to ask for a DNS server
an option to boot to runlevel 5
an option to use DHCP
Which of the following are valid boot loader options for most Linux installations?
LILO & GRUB
GRUB & AUTOEXEC.BAT
AUTOEXEC.BAT & RPM Loader
LILO & RPM Loader
What is the name of the X Window package that is supplied with most distributions of Linux?
Xfree86
X Window
Xfree386
Xlib86
A technician is setting up a Linux workstation to automatically get all of the correct IP settings as soon as it boots. Which protocol should be configured on the workstation to accomplish this?
DHCP
DNS
ARP
NetBEUI
Which of the following commands will allow only the owner of a file named programs to execute the file?
chmod 544 programs
chmod 664 programs
chmod 422 programs
chmod 462 programs
Which of the following files can be edited to allow a user other than root to use the umount command?
/etc/fstab
/etc/lilo.conf
/etc/var/mnt
/var/mnt
Which file is used by a Linux computer to determine which printers are online and available for printing?
/etc/printcap
/etc/lpd
/etc/print/lpr
/etc/lprd
Which of the following is a translator that allows Linux and UNIX systems using PostScript to print to non-PostScript printers?
Ghostscript
Printcap
Linuxscript
Printscript
In which file does the activation of the Linux FTP service take place?
/etc/rc.d/init.d/xinetd
/etc/conf/init.d
/etc/conf.d
/etc/activate/inetd
Which of the following Linux daemons listens for incoming requests and forwards each request to the appropriate daemon?
inetd
HTTPD
LPD
syslogd
Which service can be deployed as a more secure alternative to Telnet?
SSH
NFS
FTP
TFTP
A user wants to disable the Telnet and FTP services in Linux. In the configuration file, which character would the user place at the beginning of the Telnet or FTP line?
#
x
?
!
Which Linux process will automatically run scheduled tasks at a specified time?
crond
run
sched
auto
Which scripting language is basic to the Linux OS?
shell script
VBScript
JavaScript
Perl Script
What are Pico and vi?
text editors
versions of Linux
Linux CLI commands
user desktop environments
Which command character allows users to enter the vi edit mode?
i
#
>
e
Which of the following configuration files determines the default runlevel at system startup?
/etc/inittab
/etc/rc/init
/etc/init/rc.d
/etc/rc.d/inittab
In the path /etc/rc.d/rc#.d, what is specified by the #?
the runlevel associated with the file
the number of columns in the file
the priority associated with the file in the directory
the number of users who can concurrently access the file
On a computer running Linux, which attribute prevents anyone other than the owner of a file, the directory owner, or root from renaming or removing files in a directory?"
sticky bit
owner bit
no override
lock
Which of the following indicates only read and write permissions when used with the chmod command?
6
4
5
7
In Linux, which command allows users to learn more about any command?
man
cal
help
doskey
In Linux, which command is used to create a new directory?
mkdir
md
mdir
dir
In Linux, which command is used to rename a directory?
mv
cd
dir
mkdir
Which file must be edited by the Linux administrator to manually disable a user's password?
/etc/shadow
/etc/passwd
/user/shadow
/root/shadow
What is X Window?
It is a GUI interface for Linux.
It is server software to setup web services in Linux.
It is software that allows users to set the number of open Telnet windows in Linux.
It is mail client software for Linux.
In Linux, which command is used to switch from the X Window GUI to the CLI?
Ctrl+Alt+(F1-F6)
Shift+Ctrl+(F1-F6)
Shift+Alt+(F1-F6)
Ctrl+Delete+(F1-F6)
On a Linux system, which two configuration files contain user account information?
/etc/passwd & /etc/shadow
/etc/shadow & /etc/user/passwd
/etc/user/passwd & \etc\shadow
/etc/passwd & \etc\shadow
Which disk management tool is available to limit the amount of data a user can store on a network?
disk quota
disk ceiling
disk limit
disk container
What are two guidelines that an administrator should follow to maintain a healthy hard drive?
defragment the hard drive regularly & continually manage available disk space
continually manage available disk space & allow users to use all available storage with no limits
allow users to use all available storage with no limits & do not limit the size of user home directories
defragment the hard drive regularly & do not limit the size of user home directories
Which statement is true when the SUID bit is set as the root account for a program?
Any user can execute the program using root account permission.
Root cannot execute the program.
Only root can execute the program.
Users can execute the program only if they belong to the same group as the owner of the program.
Which setting determines if a program will run with the permissions of its assigned group or the permissions of the user's groups?
SGID
SUID
SUID
SSID
Which Linux command is used to create partitions on a hard disk?
fdisk
mkdev
fdisk
fsck
Which Linux command is used to create filesystems on a partition?
mkfs
mkdev
fdisk
fsck
What is the function of the /etc/crontab file in Linux?
to schedule system jobs
to schedule user jobs
to validate created processes
to remove cron jobs
Which of the following can be used to execute a series of Linux commands at a specified time?
at
which
run
time
Which Linux command can be used to terminate processes that are consuming too many system resources?
kill
at
stop
term
Which Linux command can be used to terminate a group of processes that have the same name instead of terminating them with their PID numbers?
killall
term
stop
halt
Linux administrators have several CLI commands available to display information on system resources. What is the output associated with using the du command?
a display of disk usage for a directory
a display of disk usage for a file system
a display of disk usage for file information
a display of the user's remaining disk space
Which output does the df command produce when executed from the Linux CLI?
detailed information about the file system
detailed information about the top-level directory
detailed information about CPU and RAM usage
detailed information about the data stored on the disk
Which file can be studied by programmers to determine the potential cause of a program crash?
Core Dump
Script Debugger
Process Tracker
Trace File
Which of the following can be used to monitor system resources in Windows XP and Windows 2000?
Performance Tool
Event Viewer
Task Scheduler
Checkdisk
Which of the following statements is true about the use of Performance Tool?
Performance Tool should be used sparingly since it uses valuable system resources.
Performance Tool is only available for use on Linux computers.
Performance Tool can only be used to monitor network computers.
Performance Tool can only be used in conjunction with a pre-established baseline.
When should a baseline reading of network performance be made?
when the network is running normally
at the busiest time of day
at the least busy time of day
when the network is not in use
What are three key concepts when analyzing and optimizing network performance?
bottlenecks, baselines, and best practices
baselines, base logs, and best practices
best practices, base logs, and bottlenecks
baseline, bottlenecks, and backups
Though obsolete in current desktop environments, what are three valid reasons for the continued use of MS-DOS?
MS-DOS supports legacy applications, is relatively easy to use & can run on inexpensive hardware
MS-DOS supports legacy applications, is relatively easy to use & is an intuitive, high-overhead operating system
MS-DOS supports legacy applications, rarely crashes because it is a multitasking operating system & is an intuitive, high-overhead operating system
MS-DOS can run on inexpensive hardware, is relatively easy to use & is an intuitive, high-overhead operating system
What are three reasons why a company may choose Linux over Windows as an operating system?
The entire Linux installation can be completed using either a GUI or CLI, compared to Windows, Linux is virtually virus-free & is a true multi-user system
The entire Linux installation can be completed using either a GUI or CLI, has superior one-dimensional security & is a true multi-user system
Compared to Windows, Linux is virtually virus-free, has superior one-dimensional security & is a true multi-user system
The entire Windows installation can be completed using either a GUI or CLI, has superior one-dimensional security & is a true multi-user system
Which acronyms describe the two general categories of OS user interfaces?
CLI and GUI
DOS and UNIX
DOS and GUI
UNIX and GUI
What is a beneficial feature of preemptive multitasking?
The operating system controls the allocation of processor time.
Applications share the use of the processor by time slicing.
The processor dynamically adjusts the amount of memory needed by the application programs.
Application programs share memory addresses and exchange information.
Which part of the OS, loaded into memory at boot time, controls memory allocation?
kernel
user interface
application software
file system
Network operating systems were designed to provide which of the following tasks?
file security, user privileges, resource sharing among multiple users
multitasking, user privileges, resource sharing among multiple users
file security, user privileges, resource access for a single user
multitasking, user privileges, resource access for a single user
What is meant by the statement, "We have to support our legacy system"?
Support must be provided for outdated software.
Support must be provided for the newest Linux system.
Support must be provided for the system called legacy.
Support must be provided for the newest Microsoft system.
From which Windows configuration tool can a user perform hardware and network configurations?
Control Panel
My Computer
Window Manager
Task Manager
Which of the following statements are true?
Linux operating system code is available for anyone to modify and use.
Linux is a true 16-bit operating system that uses preemptive multitasking.
Linux supports all Windows applications through the use of cooperative multitasking.
Linux is a true 48-bit operating system that uses minimal virtual memory.
Which of the following statements are true of Linux?
Linux is a true 32-bit operating system that uses preemptive multitasking.
Linux is a true 16-bit operating system that uses preemptive multitasking.
Linux supports all Windows applications through the use of cooperative multitasking.
Linux is a true 48-bit operating system that uses minimal virtual memory.
Which of the following is generally regarded as the standard GUI for Linux?
GNOME
Red Hat Desktop
CDE
Star Office
Which statements describe security in the Windows operating system?
Windows security is generally one dimensional.
Windows is less susceptible to viruses than Linux.
By default, users must have a username and password to log into Windows.
Windows can securely support multiple users with the Terminal service installed by default on personal computers.
Which statements describe security in the Windows operating system?
Windows security is improved through the use of third-party applications.
Windows is less susceptible to viruses than Linux.
By default, users must have a username and password to log into Windows.
Windows can securely support multiple users with the Terminal service installed by default on personal computers.
Which statements describe the security features of Linux?
Compared to Windows, Linux is virtually virus-free.
Linux security is one dimensional.
Most security features for Linux must be purchased from a third party.
Linux is a true 48-bit operating system that uses minimal virtual memory.
Which statements describe the security features of Linux?
Users must have a valid username and password to log into a Linux system, by default.
Linux security is one dimensional.
Most security features for Linux must be purchased from a third party.
Linux is a true 48-bit operating system that uses minimal virtual memory.
Which of the following is a valid concern for a company considering a move from Windows to Linux?
Users may need special training to become productive with Linux.
Linux generally allows companies to recycle old hardware and software.
Special third party software may be necessary to secure and configure Linux.
Linux generally requires more disk space than Windows.
Windows and Linux both use a file system that resembles an upside-down tree. What is the name of this type of file structure?
hierarchical
binary
empirical
subsystem
What is the main reason FAT32 was created?
Earlier versions of FAT used disk space inefficiently.
New operating systems required the use of filenames greater than eight characters.
FAT32 was needed to support drives up to 4 GB.
The maximum length of file extensions needed to be increased to three characters.
Which of the following file systems does Windows 2000 use?
FAT16, FAT32 & NTFS
FAT16, FAT32 & HPFS
FAT16, FAT32 & EXT2
NTFS, EXT2 & HPFS
With the FAT file system, what is the basic unit of logical storage on a disk?
cluster
megabyte
directory
logical drive
When compared to a command line interface, what is a major disadvantage of a GUI?
It requires more memory and storage space.
It requires an understanding of commands.
It is more difficult to use.
Most server operating systems do not support a GUI.
Which command is entered in the Run dialog box of a Windows XP system to open a command prompt window?
cmd
run
start
dosprompt
What is the loopback address that a technician would ping to verify that TCP/IP is correctly installed?
127.0.0.1
168.0.0.1
192.0.0.1
223.0.0.1
In Linux, what is the first program that takes control of the boot process from the BIOS?
LILO
kernel
config.sys
linux.sys
While booting a Linux server, the booting process has stopped. Upon troubleshooting, an 'L' error code is discovered. What does this indicate?
The second stage of LILO did not load.
No part of LILO loaded.
The first and second stages both loaded, but the second stage will not run.
The disk descriptor table (/boot/map) is corrupt.
What is the easiest way to stop a non-responsive process in a Linux system?
issue the kill command
issue the stop command
log out and log back in again
press Ctrl-Alt-Del and click Stop when the Task Manager appears
Why is it necessary to use the appropriate Sys V script to stop some processes?
It will prevent lock files from causing error messages.
It is the only way to stop some services.
It is the best way to stop zombie processes.
It will save the data that has been processed
What is the simplest and most recommended method of creating a custom emergency boot disk for Linux?
Modify one of the existing boot disks.
Run the btdisk command.
Copy individual boot files to a floppy.
Download a custom configuration from a Web site.
Which statement best describes the LOADLIN program?
It is an MS-DOS utility used to load a Linux kernel.
It is a text editor.
It is a command line interpreter.
It is a Linux kernel program that loads and executes applications
Which type of files can be helpful in identifying several types of problems in a Linux server?
log files
security files
user data files
text files
In a Linux system, the set of recent kernel messages is known as the kernel ring buffer. Which command displays these messages?
dmesg
imesg
kmsg
rmesg
Which two files are commonly used to access the tape backup devices?
/dev/ht0 & /dev/nst0
/dev/nst0 & /dev/hd0
/dev/ht0 & /dev/hd0
/dev/hd0 & /dev/tp0
Which parameter can be used with tar to list the contents of an archive?
-t
-a
-i
-l
Which command is used to determine the active TCP connections on a computer?
netstat
ping
traceroute
ifconfig
An administrator is responsible for a mixed Linux/Windows network. The administrator has configured a new computer with the Windows XP operating system. The administrator then attempts to ping it from a Linux computer but fails. What should the administrator do next?
run ipconfig on the Windows machine to ensure it is set up correctly
try to ping the Windows computer from another Windows computer
run ifconfig on the Linux machine and specify the IP address of the Windows computer
run ping 127.0.0.1 on the Windows system
Which Linux log file is most likely to contain the word oops?
/var/log/messages
/var/log/error
/var/log/syslog
/var/log/secure
What is the best way for an administrator to determine if a server is overloaded?
check the server log files
ask users if the service has declined
keep a record of the frequency of server crashes
monitor the network load and note when it becomes very high
Several computers on a network are running slow and many user tasks are timing out. The administrator checks the network and finds duplicate copies of program code in the active memory of each computer. Which of the following options best describes this self-replicating code?
worm
virus
Trojan horse
bug
Which DoS attack uses fragments with overlapping reassembly information to take advantage of the way IP handles fragmentation?
Teardrop
SYN attack
ping of death
land
Which statement accurately describes a Smurf attack?
The IP headers of ping requests are spoofed so that replies will overwhelm the target host.
The IP headers of SYN requests are spoofed so that a target will attempt to reply to itself.
This DoS attack overflows buffers by sending illegally large ping requests to the target.
This attack exploits the three-way handshake used with TCP.
Which three of the following vulnerabilities have been overcome in newer versions of operating system software?
ping of death attack, land attack & Teardrop
ping of death attack, land attack & buffer overflow
land attack, Teardrop & buffer overflow
ping of death attack, Teardrop & buffer overflow
According to SANS, which three of the following services are among the top ten security vulnerabilities of Linux?
Remote Procedure Calls, Secure Shell & Apache Web Server
Which of the following options best describes Network Address Translation?
Network Address Translation uses private addressing to hide inside hosts from outsiders.
Network Address Translation usually replaces proxy services and packet filters.
Network Address Translation is used to alter the destination address of packets leaving a secure network.
Network Address Translation allows packets to be filtered as they enter or leave the network.
Which two of the following options provide a basic firewall solution by using rules to control network traffic?
packet filters & access control lists
packet filters & ip masquerade
Network Address Translation & access control lists
access control lists & ip masquerade
Which three OSI model layers are used for packet filtering?
Layer 3, Layer 4 & Layer 7
Layer 3, Layer 5 & Layer 6
Layer 4, Layer 5 & Layer 7
Layer 2, Layer 3 & Layer 7
Which three of the following terms refer to the public network that acts as a buffer area between a firewall and a boundary router?
DMZ, sacrificial LAN & dirty LAN
extranet, sacrificial LAN & dirty LAN
demarcation zone, extranet & sacrificial LAN
Internet, demarcation zone & extranet
Which three of the following options are necessary to protect against the threat of viruses?
Incoming traffic should be filtered at all gateways, administrator should issue all virus warnings & virus protection software should be current on all computers
Incoming traffic should be filtered at all gateways, Current virus protection software should only be installed on incoming gateways & Policies should be created to control outgoing e-mail.
Outgoing traffic should be filtered at all gateways, administrator should issue all virus warnings & virus protection software should be current on all computers
Current virus protection software should only be installed on incoming gateway, Policies should be created to control outgoing e-mail & One administrator should issue all virus warnings.
To create a security policy, which of the following actions should occur first?
All users should receive written guidelines of what is acceptable and allowed on the network.
All servers should be placed in a secure, central location.
All users should be surveyed to identify potential security threats.
All users should receive instructions outlining how to install and upgrade virus software.
How can developing an e-mail policy protect a network from viruses?
An e-mail policy will define what can be sent and received to make users more aware of security issues on the network.
An e-mail policy will state what can be sent and received so that users will no longer need to be made aware of security issues.
An e-mail policy will make it safe for users to open all attachments.
An e-mail policy will require users to notify the other users on the network as soon as a threat is suspected.
Which of the following items should be included in a security policy to increase the level of password control?
Passwords should be a combination of letters and numbers, written rules should be distributed to advise users of password expiration and lockout policies & all passwords should be changed by the user after a specified period of time.
Passwords should be a combination of letters and numbers, written rules should be distributed to advise users of password expiration and lockout policies & passwords should be familiar names or words, so that users will not have to keep written reminders near computers.
Passwords should be a combination of letters and numbers, written rules should be distributed to advise users of password expiration and lockout policies & passwords should expire after random periods of time.
Passwords should expire after random periods of time, Passwords should be familiar names or words, so that users will not have to keep written reminders near computers & passwords should be a combination of letters and numbers.
Which statement is true about username and password standards?
Complex usernames are less important than complex passwords.
Standards should only be applied to passwords. Users should select their own usernames.
Usernames should expire every three months.
Passwords should be simple and easy to remember.
Which of the following options refers to a software-based, real-time network IDS that is designed for smaller networks?
Snort
PIX
Smurf
proxy server
Which of the following options best describes the characteristics of an IDS?
inspects all network activity, identifies suspicious patterns, signals an alert
hardware, inspects all network activity, denies or permits access using filters, signals an alarm
hardware or software, limits access to prevent intrusion, inspects all network traffic
software, designed to identify intrusion using a set of patterns, signals an alert
Which two of the following protocols are used by IPSec?