Networks

Front 1

network

Back 1

computers connected together so they can share data, info and reaources.

Front 2

resources

Back 2

anything that can connect to a network to make it useful to users

Hint 2

printers, faxes, web servers etc

Front 3

devices

Back 3

any item that can connect and communicate with a network

Hint 3

printer, fax, web server

Front 4

synchronisation

Back 4

making sure all users have the same version of data

Front 5

LAN

Back 5

local area network - a computer network where networks resources are in close proximity.

Front 6

WAN

Back 6

wide area network - a network where the data transmitted travels over media NOT owned by the data owner.

Front 7

wireless

Back 7

a network that does not use physical cabling for data transmission.

Front 8

network architecture

Back 8

the design of the network

Front 9

client server network

Back 9

a network where one computer manages the use of the network resources.

Front 10

client

Back 10

the network device that requests the use of network resources

Front 11

server

Back 11

the computer on the network that manages the network resoirces and responds to requests for device use. usually a very powerful computer.

Front 12

cross platform

Back 12

software that can be used with more than one operating system.

Front 13

Network Interface Card

Back 13

the computer chip that connects that resides in a device to give it access to the network

Front 14

WAP

Back 14

wireless access point - used to connect wireless devices to a wired or wireless network

Front 15

switch

Back 15

send data down the wires to the device that requests the data. uses a node number to identify the device.

Front 16

router

Back 16

connects to networks together and determines the best path for packets of data to travel to its destination.

Front 17

modem

Back 17

converters digital signals to analog so data can travel over telephone lines. used to connect newtorks in a WAN

Front 18

twisted pair cable

Back 18

used to carry signals around a nwtwork. two wires twisted together and covered in a protective layer.

Front 19

coaxil cable

Back 19

singal coppwr wire surrounded by insulation and other protective material.

Front 20

fibre optic cable

Back 20

lots of glass strands that use light to transmit data

Front 21

radio waves

Back 21

a wireless form of transmission of data. can be use when data needs to go over long distances.

Front 22

microwaves

Back 22

wireless commication method that requires line of sight tranmission.

Front 23

satellite

Back 23

use microwaves or radiowaves to transmit data to a satellite and then back to earth. good for long distance transmission.

Front 24

wireless transmission

Back 24

includes radio, microwaves, infrared nd satellite.

Front 25

infrared tranmission

Back 25

wireless transmission over very short distances.

Front 26

physical security measurez

Back 26

locks, alarms uaed to protect networks.

Front 27

firewall

Back 27

server and software combination that filters data coming in through an intern wet connection to a network

Front 28

malware

Back 28

malicious software - viruses, spyware, trogan horses. use anti virus software to protect against it.

Front 29

encryption

Back 29

process of translating data into secret cose to protect it. WPA and WPA 3 encrypt data travelling over wifi networks.

Front 30

https

Back 30

a secure version of hypwrtexg trnasfer ptotocol which protects data travelling over the intrenet. exists between web browser and web server.

Front 31

SSL

Back 31

secure socket layer which is an encrypted protocol that provides a secure connection to the internet.

Front 32

pwer to peer network

Back 32

a network in which each workstation can communicate to each other.

Front 33

intranet

Back 33

a internet within an organisation.

Front 34

network standards

Back 34

the rules by which network parts are designed and made to make them work together

Front 35

protocol

Back 35

the rules by whcih network components communicate

Front 36

ethernet

Back 36

a network stnadard thar says no cnetral device will control when data can be transmitted.

Front 37

TCP/IP

Back 37

transmission control protocol internet protocol that says how communication occurs on the internet

Front 38

packet

Back 38

breaking a message into small chunks of data

Front 39

802.11 standard

Back 39

rulea for how two wireless devices communicate. wifi uses this standard.

Front 40

network operating system

Back 40

software used to control network traffic, break data into apckets, send data packets, resolve conflicts.

Front 41

web browser

Back 41

software that allows users to view web pages and manages hyperl Iinks

Front 42

URL

Back 42

uniform resource locator unique address of web page

Front 43

hypertext transfer protocol

Back 43

the communication standard used to transmitt and send data over internet

Front 44

web server software

Back 44

uses the http to load documents and images and other resources

Front 45

proxy server

Back 45

is a computer that sits between the client and the rest of the internet. the client's request for the web page goes through this server. it protects the identity of the cloent and keeps a record of the page so it can be loaded faster the next time.