networking Flashcards

1
Q

ARPAnet

A

Advanced Research Projects Agency Network

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2
Q

WAN

A

A wide area network (covering large area)

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3
Q

LAN

A

A local area network (SMALL AREA)

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4
Q

MAN

A

A metropolitan area network is a computer network that connects users with a size of metropolitan area

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5
Q

file server

A

a central computer that controls and provides information to other computers in a network

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6
Q

Hub

A

hardware used to connect together a number of devices to form a LAN that directs data to all devices in the network

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7
Q

Switch

A

hardware used to connect together a number of devices to form a LAN that direct incoming data packets to specific destination address only

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8
Q

Router

A

device which enable data packet to be routed between different networks ( can join Lan together to make WAN)

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9
Q

Modem

A

a device that convert digital data to analogue data , and reverse (phone line, computer)

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10
Q

WLAN

A

Wireless LAN

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11
Q

WAP

A

wireless access point which allows device to access a LAN without wire

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12
Q

PAN

A

Personal Area Network

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13
Q

CLient server

A

a network that uses a separate dedicate server and specific client workstation

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14
Q

Spread Spectrum tecnology

A

wideband radio frequency in the range of 30-50 m

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15
Q

Node

A

device connected to a network

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16
Q

P2P

A

network which each nodes can share its file with all other node

17
Q

Thin client

A

a device that requires internet to work and depend on other powerful computer

18
Q

thick client

A

device that can work both off line and on line and able to do some processing without the internet

19
Q

cloud storage

A

method of data storage where data are stored off-site server

20
Q

data redundancy

A

when the same data are stored on several servers in case of maintenance or repair

21
Q

spread spectrum frequency hopping

A

a method of transmitting radio signal which a device pick one from 79 channel at random

22
Q

WPAN

A

wireless personal area network

23
Q

WPAN

A

wireless personal area network

24
Q

Twisted pair network

A

2 wires of a single circuit are twisted together

25
Q

Coaxial cable

A

cable made of central copper core.

26
Q

Fibre optic cable

A

cable made of glass. data transfer by pulse light

27
Q

gateway

A

device that connect LAN which use different protocol

28
Q

Repeater

A

boost signal

29
Q

Bridge

A

device connect LAN which use the sam protocol

30
Q

NIC

A

network interface card