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3D052 Vol. 2 URE's
Volume 2 Unit Review Exercises
100
Computer Networking
Professional
08/26/2011

Additional Computer Networking Flashcards

 


 

Cards

Term
Which original components were very susceptible to damage from electrostatic discharge?
Definition
Complementary metal-oxide semiconductor (CMOS).
Term
What is considered to be a computer’s main storage?
Definition
Random Access Memory (RAM)
Term
What is considered as nonvolatile permanent memory?
Definition
Read only memory (ROM).
Term
What is a form of firmware that contains the computer’s startup instructions?
Definition
Basic input/output system (BIOS).
Term
What is defined as an asynchronous signal from a computer hardware device indicating the
need for attention from a central processing unit (CPU) or a synchronous event?
Definition
Interrupt
Term
Which controller component interprets an electronic signal, prioritizes it, and requests the
attention of the central processing unit (CPU)?
Definition
Priority interrupt.
Term
Which interrupt request (IRQ) line number is normally used for the floppy disk controller?
Definition
6
Term
Which is a term used to describe that data is whole or complete?
Definition
Data integrity.
Term
What is considered as a technique or method of checking data integrity?
Definition
Parity.
Term
Which is a very simple example of an error detecting code?
Definition
Parity bit.
Term
What is a way of utilizing a group of storage devices as if they were physically connected to
a server when they are not?
Definition
Storage area network (SAN).
Term
What is an advantage of using a storage area network (SAN) architecture?
Definition
Ease of replacing server
Term
What is the connection type of choice for storage area networks (SAN)?
Definition
Fibre channel
Term
Which storage device can be easily connected to a network and appears as a network drive?
Definition
Network attached storage (NAS).
Term
Which storage device has the means of providing data storage reliability using multiple hard
drives?
Definition
Redundant array of independent disks (RAID).
Term
The hard drives in a redundant array of independent disks (RAID) array are presented to the
server as
Definition
one single hard drive
Term
Which technology is often used in redundant array of independent disks (RAID) array that
can be daisy chained?
Definition
Small computer system interface (SCSI).
Term
Which is not a characteristic of high-order languages?
Definition
Source codes that are written closest to machine language.
Term
What best describes programming machine code?
Definition
Instructions in a form that is acceptable to the computer
Term
Which selection is a set of markup symbols or codes inserted in a file intended for display
on a Web browser page?
Definition
HyperText Markup Language (HTML).
Term
Which Web application is most likely to succeed Hypertext Markup Language (HTML)?
Definition
Extensible HTML (XHTML).
Term
A standard Web application used to pass a Web user’s request to a server’s application
program and to exchange data back to the user is called a
Definition
common gateway interface (CGI).
Term
Which protocol is commonly used for managing the security of a message transmission on
the Internet?
Definition
Secure socket layer (SSL).
Term
Which program can be used to automatically launch programs on a preset schedule?
Definition
Task scheduler.
Term
Which error-checking tool allows you to monitor the file system for errors?
Definition
Check disk
Term
Which numbering system characteristic is the leftmost non-zero digit of a numeric value?
Definition
Most significant digit (MSD).
Term
What should each organization have that spells out which systems are prioritized in what
order for the basis of protecting those systems from disasters?
Definition
Recovery strategies.
Term
Which type of backup would you use at the end of the week to save all data that you select
on your systems?
Definition
Normal
Term
Which type of backup will backup all files that have been altered in the last 24 hours?
Definition
Daily
Term
What is based around a central directory database containing information about all the domain
controllers in the network?
Definition
Active directory
Term
What is a group of users, servers, and other resources that share a centralized database of
account and security information?
Definition
Domain
Term
Where does a copy of the active directory database reside?
Definition
Domain controllers
Term
What kind of server contains the master listing of all active directory objects in the forest?
a. Dynamic host configuration protocol (DHCP).
Definition
Global catalog.
Term
What is a set of rules that can be set to affect active directory leaf objects to control what can be
done by a user?
Definition
Group policy objects
Term
Which type of interface is friendlier for the average user to use?
Definition
Graphical user interface
Term
Which of the following is not one of the elements that most graphical user interfaces are
composed of?
Definition
Programs
Term
Sitting at a computer and loading a software patch onto it is an example of what type of
software patch?
Definition
Attended.
Term
Which type of patch would utilize a remote installation services (RIS)?
Definition
Unattended.
Term
Which components of domain name service (DNS) contain a database of associated names and
IP addresses?
Definition
Name servers.
Term
Which query is made by one name server to another name server?
Definition
Non-recursive query.
Term
Which software program manages an IP address allocation for a network?
Definition
Dynamic host configuration protocol (DHCP).
Term
The group of IP addresses that a dynamic host configuration protocol (DHCP) server manages
is known as a
Definition
scope
Term
What is the minimum number of scopes a dynamic host configuration protocol (DHCP) server
can have?
Definition
One
Term
According to Air Force dynamic host configuration protocol (DHCP) policies, how long is the
lease that a noncritical workstation will have applied to them?
Definition
30 days
Term
What type of service allows network administrators to install upgrades on any number of client
computers at one time from a centralized location?
Definition
Remote installation services (RIS.
Term
Which is not a component of Internet information services (IIS)?
Definition
Simple network management protocol (SNMP).
Term
What component of windows unifies and simplifies day to day system management tasks?
Definition
Microsoft management console (MMC).
Term
Which type of group manages user’s rights assignments and access permissions?
Definition
Security.
Term
Which special identity can represent users currently logged on to a particular computer and
accessing a given resource located on that computer?
Definition
Interactive.
Term
What defines the rules by which operations can be performed on a particular resource?
Definition
Permissions.
Term
A feature of networking that enables individuals to designate resources they want other users to
be able to access through the network is called
Definition
sharing.
Term
What permission always overrides all other permissions assigned to a user or group to which the
user belongs?
Definition
No Access
Term
When a new folder or file is created on a new technology file system (NTFS) partition, what
permissions are automatically assigned?
Definition
Inherited permissions of the folder's it's contained in
Term
Which exchange service is the first service launched when Microsoft Exchange starts and the
last to stop when it is shut down?
Definition
System attendant
Term
In Exchange System Manager, which container holds configuration objects such as Queues,
Mailbox stores and Public Folder stores and protocols information?
Definition
Servers
Term
Which type of lists uses pointers to connect each element together?
Definition
Linked.
Term
A set of data elements (values) organized using a model of horizontal rows and vertical columns
whose data is calculated in response to a query is called a
Definition
view
Term
What is the most common type of operation in sequential query language (SQL)?
Definition
Queries
Term
What type of sequential query language (SQL) statement would you use to make the changes
you were working on permanent?
Definition
Transaction
Term
Which is the most commonly used sequential query language (SQL) data statement?
Definition
Select.
Term
Which sequential query language (SQL) server feature tracks changes and is used to ensure data
integrity?
Definition
Logging
Term
Which UNIX capability can execute numerous programs at the same time?
Definition
Multitasking
Term
Which UNIX ability can run on different types of hardware with few relatively minor
changes?
Definition
Portability
Term
Which UNIX operating system component interacts directly with the system hardware?
Definition
Kernel
Term
Which UNIX component provides a logical way to organize, store, retrieve, manipulate, and
manage data?
Definition
File system
Term
Which UNIX shell is the most compact and is often used for writing shell scripts?
Definition
Bourne shell
Term
Normally, when you create a file with a text editor, the file is set up with
Definition
read and write permission for you and read-only permission for others.
Term
To change permissions on a shell script, you use the UNIX command
Definition
chmod
Term
The simplest place to put your function definitions is in your
Definition
profile.
Term
What do you type to quit a UNIX shell?
Definition
Exit.
Term
How many characters do most UNIX system administrators and users tend to use for
filenames?
Definition
14.
Term
UNIX™ disks are divided into logical sections called
Definition
partitions
Term
The /dev/dsk and /dev/rdsk directories are subdirectories of which directory?
Definition
Root
Term
What does the 0 following the c in the device name c0t6d0s7 represent?
Definition
Controller.
Term
What does the 7 in the device name c0t6d0s7 represent?
Definition
Partition
Term
What is the basic unit for storing and manipulating a collection of logically related
information known as data?
Definition
Files.
Term
Hard links are created using which UNIX command?
Definition
ln
Term
Which UNIX mechanism enables programs to communicate with one another through the
file system?
Definition
Named pipes
Term
Which UNIX mechanism provides for communication with system device drivers through
the file system one character at a time?
Definition
Character devices
Term
Which UNIX command displays the current working directory?
Definition
pwd
Term
Which UNIX command allows you to move to different directories within a file system
using absolute or relative pathnames?
Definition
cd
Term
Which UNIX command takes any characters from standard input and then echoes them to
standard output?
Definition
cat
Term
Which UNIX command deletes files from within a directory?
Definition
rm
Term
Which UNIX command looks at an individual file and finds a specified pattern (string)?
Definition
grep
Term
Which UNIX command changes the group ownership of one or more files?
Definition
chgrp
Term
Which UNIX command changes the ownership of one or more files to a new owner?
Definition
chown
Term
Which UNIX command sets access and modification times for each file to the current time?
Definition
touch
Term
How many primary groups can a user be a member of?
Definition
one
Term
Which UNIX vi mode allows users to execute set commands?
Definition
Command
Term
Which UNIX vi character represents the end of the file?
Definition
$
Term
While using UNIX vi to edit a file, what would you enter to save the buffer contents and
stay in same file?
Definition
w
Term
In UNIX, which package of programs lets a terminal handle many sessions at once?
Definition
UNIX™ windows system.
Term
What is the most common UNIX windows system?
Definition
X windows
Term
Which UNIX default command starts the X windows system?
Definition
xinit
Term
The act of choosing the window you type is called setting the
Definition
input focus
Term
What action puts unneeded windows out of the way without quitting the program inside
them?
Definition
Iconifying
Term
Which UNIX command from the menu bar moves a window to the bottom of the stack of
windows?
Definition
Lower
Term
The key to shutting down an xterm window is to know which of your programs is the
Definition
controlling program
Term
The first step in quitting an xterm session is to
Definition
quit all non-controlling programs
Term
Which UNIX command does the system administrator need to use to create the manual
database prior to users being able to access the man –k command?
Definition
catman.
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