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51

D-Link Systems, Inc.

Intrusion Detection –

A type of security that scans a network to detect attacks coming from inside and

outside of the network

IP –

Internet Protocol

IP ad

dress –

A 32-bit number, when talking about Internet Protocol Version 4, that identifies each computer

that transmits data on the Internet or on an Intranet

IPsec –

Internet Protocol Security

IPv6 –

Internet Protocol Version 6 uses 128-bit addresses and was developed to solve the problem that we

face of running our of IP version 4 addresses

IPX –

Internetwork Packet Exchange is a networking protocol developed by Novel to enable their Netware

clients and servers to communicate

ISP –

Internet Service Provider

J

Ja

v

a –

A programming language used to create programs and applets for web pages

K

Kbps –

Kilobits per second

Kb

yte -

Kilobyte

K

erber

os –

A method of securing and authenticating requests for services on a network

L

LAN –

Local Area Network

Latenc

y

– The amount of time that it takes a packet to get from the one point to another on a network.

Also

referred to as delay

LED

- Light Emitting Diode

Legac

y

– Older devices or technology

Local Area Netw

ork

– A group of computers in a building that usually access files from a server

M

MA

C ad

dress

– A unique hardware address for devices on a Local Area Network

MDI

– Medium Dependent Interface is an Ethernet port for a connection to a straight-through cable

MDIX

- Medium Dependent Interface Crossover, is an Ethernet port for a connection to a crossover cable

Megabit

- Mb

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D-Link Systems, Inc.

Megab

yte

- MB

Megabits per second

- Mbps

MIB

– Management Information Base is a set of objects that can be managed by using SNMP

Modem

– A device that Modulates digital signals from a computer to an analog signal in order to transmit the

signal over phone lines.

It also Demodulates the analog signals coming from the phone lines to digital signals

for your computer

MPPE

– Microsoft Point-to-Point Encryption is used to secure data transmissions over PPTP connections

MTU

– Maximum Transmission Unit is the largest packet that can be transmitted on a packet-based network

like the Internet

Multicast

– Sending data from one device to many devices on a network

N

NA

T

– Network Address Translation allows many private IP addresses to connect to the Internet, or another

network, through one IP address

NetBEUI

– NetBIOS Extended User Interface is a Local Area Network communication protocol.

This is an

updated version of NetBIOS

NetBIOS

– Network Basic Input/Output System

Netmask

– Determines what portion of an IP address designates the Network and which part designates the

Host

NetW

are

– A Server Software developed by Novell

Netw

ork Interface Car

d

– A card installed in a computer or built onto the motherboard that allows the computer

to connect to a network

Netw

ork later

– The third layer of the OSI model which handles the routing of traffic on a network

Netw

ork

Time Pr

otocol

– Used to synchronize the time of all the computers in a network

NIC

– Network Interface Card

NTP

– Network Time Protocol

O

OFDM

– Orthogonal Frequency-Division Multiplexing is the modulation technique for both 802.11a and 802.11g

OSI

– Open Systems Interconnection is the reference model for how data should travel between two devices

on a network

OSPF

– Open Shortest Path First is a routing protocol that is used more than RIP in larger scale networks

because only changes to the routing table are sent to all the other routers in the network as opposed to

sending the entire routing table at a regular interval, which is how RIP functions

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D-Link Systems, Inc.

P

P

ass

w

or

d

-

A sequence of characters that is used to authenticate requests to resources on a network

P

er

sonal Area Netw

ork

– The interconnection of networking devices within a range of 10 meters

Ph

ysical la

y

er

– The first layer of the OSI model.

Provides the hardware means of transmitting electrical

signals on a data carrier

P

oE

– Power over Ethernet is the means of transmitting electricity over the unused pairs in a category 5

Ethernet cable

POP 3

– Post Office Protocol 3 is used for receiving email

PPP

– Point-to-Point Protocol is used for two computers to communicate with each over a serial interface, like

a phone line

PPP

oE

– Point-to-Point Protocol over Ethernet is used to connect multiple computers to a remote server over

Ethernet

PPTP

– Point-to-Point Tunneling Protocol is used for creating VPN tunnels over the Internet between two

networks

Preamb

le

– Used to synchronize communication timing between devices on a network

Q

QoS

– Quality of Service

R

RADIUS

– Remote Authentication Dial-In User Service allows for remote users to dial into a central server and

be authenticated in order to access resources on a network

Rendezv

ous

– Apple’s version of UPnP, which allows for devices on a network to discover each other and be

connected without the need to configure any settings

Repeater

– Retransmits the signal of an Access Point in order to extend it’s coverage

RIP

– Routing Information Protocol is used to synchronize the routing table of all the routers on a network

RJ-11

– The most commonly used connection method for telephones

RJ-45

- The most commonly used connection method for Ethernet

RS-232C

– The interface for serial communication between computers and other related devices

RSA

– Algorithm used for encryption and authentication

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D-Link Systems, Inc.

S

Samba

– A freeware program that allows for resources to be shared on a network.

Mainly used in Unix based

Operating Systems

Ser

ver

– A computer on a network that provides services and resources to other computers on the network

Session ke

y

– An encryption and decryption key that is generated for every communication session between

two computers

Session la

y

er

– The fifth layer of the OSI model which coordinates the connection and communication between

applications on both ends

Simple Mail

T

ransf

er Pr

otocol

– Used for sending and receiving email

Simple Netw

ork Mana

g

ement Pr

otocol

– Governs the management and monitoring of network devices

SMTP

– Simple Mail Transfer Protocol

SNMP

– Simple Network Management Protocol

SOHO

– Small Office/Home Office

SPI

– Stateful Packet Inspection

SSH

– Secure Shell is a command line interface that allows for secure connections to remote computers

SSID

– Service Set Identifier is a name for a wireless network

Stateful inspection

– A feature of a firewall that monitors outgoing and incoming traffic to make sure that only

valid responses to outgoing requests for incoming packets are allowed to pass though the firewall

Subnet mask

– Determines what portion of an IP address designates the Network and which part designates

the Host

T

TCP

– Transmission Control Protocol

TCP/IP

– Transmission Control Protocol/Internet Protocol

TFTP

– Trivial File Transfer Protocol is a utility used for transferring files that is simpler to use than FTP but with

less features

Thr

oughput

– The amount of data that can be transferred in a given time period

T

racer

oute

– A utility displays the routes between you computer and specific destination

U

UDP

– User Datagram Protocol

UNC

– Universal Naming Convention allows for shares on computers to be identified without having to know

what storage device it’s on

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Unicast

– Communication between a single sender and receiver

Univer

sal Plug and Pla

y

– A standard that allows network devices to discover each other and configure

themselves to be a part of the network

UPnP

– Universal Plug and Play

URL

– Uniform Resource Locator is a unique address for files accessible on the Internet

UTP

– Unshielded Twisted Pair

V

Vir

tual LAN

-

Vir

tual Priv

ate Netw

ork

– A secure tunnel over the Internet to connect remote offices or users to their company’s

network

VLAN

– Virtual LAN

V

oice o

ver IP

– Sending voice information over the Internet as opposed to the PSTN

V

oIP

– Voice over IP

W

W

ake on LAN

– Allows you to power up a computer though it’s Network Interface Card

W

AN

– Wide Area Network

W

eb br

o

wser

– A utility that allows you to view content and interact will all of the information on the World Wide

Web

WEP

– Wired Equivalent Privacy is security for wireless networks that is supposed

to be comparable to that of

a wired network

Wi-Fi

– Wireless Fidelity

Wi-Fi Pr

otected Access

– An updated version of security for wireless networks that provides authentication

as well as encryption

Wide Area Netw

ork

- A network spanning a large geographical area or consisting of more than one LAN.

Wireless ISP

– A company that provides a broadband Internet connection over a wireless connection

Wireless LAN

– Connecting to a Local Area Network over one of the 802.11 wireless standards

WISP

– Wireless Internet Service Provider

WLAN

– Wireless Local Area Network

Y

Y

a

gi antenna

– A directional antenna used to concentrate wireless signals on a specific location

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