NETWORK+ Terms W,X,Z's

Question 1

A data
communications network that serves
users across a broad geographic
area. WANs often use transmission
devices such as modems or
CSUs/DSUs to carry signals over
leased lines or common carrier lines

Answer 1

WAN (wide area network)

Question 2

A disaster recovery site
offering most equipment and applications.
Compare to a cold site that
refers to a disaster recovery site with
limited hardware and typically only
a reserved location. A hot site is one
with duplicate hardware and software
and can be operational within
minutes of a disaster.

Answer 2

warm site

Question 3

A server that runs an
application and makes the contents
of certain directories on that server, or other servers, available to clients
for download, via a protocol such as
HTTP.

Answer 3

web server

Question 4

A
data encryption method used to
protect the transmission between
802.11 wireless clients and access
points. WEP security has come
under scrutiny because it uses an
insufficient key length and provides
no automated method for distributing
the keys.

Answer 4

WEP (Wired Equivalent Privacy)

Question 5

A voluntary standard that
manufacturers can adhere to, which
aims to create compatibility between
wireless devices. WiFi is an abbreviation
for wireless fidelity.

Answer 5

WiFi

Question 6

A NetBIOS name-to-IP
address resolution service that runs
on Windows Server platforms.

Answer 6

WINS (Windows Internet Name

Service)

Question 7

A dynamically
built database of NetBIOS names
and IP addresses used by WINS

Answer 7

WINS database

Question 8

A tool used to create
networking cables. The type of wire
crimping tool used depends on the
cable being made.

Answer 8

wire crimper

Question 9

The band of frequency
used for wireless communications.
Each IEEE wireless standard
specifies the channels that can
be used.

Answer 9

wireless channel

Question 10

Networking
that uses any unbound media, such as
infrared, microwave, or radio waves.

Answer 10

wireless networking

Question 11

Network documentation
designed to show the
physical wiring of a network. The
wiring schematic can often be used
in the troubleshooting process.

Answer 11

wiring schematics

Question 12

A service provider that
specializes in offering users wireless
access to the Internet, often including
hotspot access.

Answer 12

WISP (Wireless Internet Service

Provider)

Question 13

A local area
network created using wireless
transmission methods such as radio
or infrared rather than traditional
wired solutions.

Answer 13

WLAN (wireless LAN)

Question 14

A client computer on
a network that does not offer any
services of its own but that uses the
services of the servers on the network.

Answer 14

workstation

Question 15

A self-replicating program
that can perform destructive acts to
a single computer or across a network,
both wired and wireless.

Answer 15

worm

Question 16

on
802.11 wireless LANs. WPA is an
industry-supported standard
designed to address WEP’s security
shortcomings.

Answer 16

WPA (WiFi Protected Access)

Question 17

An ITU-T standardized protocol

suite for packet switching networks.

Answer 17

X.25

Question 18

All the variations of DSL
available are lumped together under
the label XDSL.

Answer 18

XDSL (Extended Digital Subscriber

Line)

Question 19

A set of rules for the encoding of
documents in a machine readable
format.

Answer 19

XML (Extensible Markup Language)

Question 20

The passing of DNS
information from one name server
to a secondary name server.

Answer 20

zone transfer