Data Transfer Media 0.0 / 5 ? ICTCommunicationNetworksASAQA Created by: MiyaKanthCreated on: 28-03-17 13:16 3 Data Transfere Media metal wires, fibre optic (cables), wireless 1 of 21 Types of Networks LAN (local area newtorks), WAN (wide area networks), MAN (metropolitan area networks) 2 of 21 What is a Hotspot? an area where the internet can be connnected to wirelessly 3 of 21 What is required to access the internet? Router, ICT Device, Telephone line or wireless connection, Web Browser, Modem, Connection via ISP 4 of 21 What is a router? Connects wirelessly, wireless signal 5 of 21 What is a web browser? Display the pages in human form (HTML) 6 of 21 What is an ISP? Internet service provider (BT/Sky) 7 of 21 What is a modem? Modulator / Demodulator converts computer signals into binary 8 of 21 What is a telephone line? ISDN ADSL 9 of 21 What is an IP address? Internet protocol (numbers) 10 of 21 What is NAP? Network Access Point (BT Tower) 11 of 21 What is internet backbone? Many network access points which connect together connecting networks 12 of 21 What is DNS? Domain Name Server, to find IP address for a specific name 13 of 21 What is a URL? Universal Resource Locator 14 of 21 What is TCP? Transmission Control Protocol, whcih combines and ensures packets are not lost 15 of 21 What is HTTP? Hypertext Transfer Protocol, requests and transfers web pages 16 of 21 What is FTP? File Transfer Protocol, files which are downloaded from the internet 17 of 21 What is Intranet? Small networks within organisations 18 of 21 What is Extranet? Larger external network who take data from different sources 19 of 21 What is Internet? Large network which has many webpages which can be accessed a massive network of networks 20 of 21 What is a VLE? Virtual Learning Environment 21 of 21
Comments
No comments have yet been made