ISP

Gee_0599
Mind Map by Gee_0599, updated more than 1 year ago
Gee_0599
Created by Gee_0599 about 6 years ago
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Description

GCSE Btec ICT Mind Map on ISP, created by Gee_0599 on 10/06/2014.
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Resource summary

ISP
1 ISP stands for Internet Service Provider
2 They may offer technical support, Email, trouble shooting and webspace with the ability to access the net
3 They provide a direct connection to the internet which would be really expensive if it wasnt for ISPs as they provide a cost effective was of access.
4 PoP - Point of pressence
4.1 This is an access point to the internet.
5 NAP _ Network access point
5.1 This is a way for multiple ISPs to interact.
6 Protocols
6.1 Protocols are rules of comminication between any device on the Internet
6.1.1 They do this by using the IP address
6.2 IP - Internet Protocol
6.2.1 Rules for routing packets across the internet
6.2.2 A HEADER IDENTIFIES THE PACKET
6.3 TCP/IP - Transmission control protocol
6.3.1 Organises the packets for transmission and the reassembles them on the client
6.3.2 Works closely with IP
6.4 FTP - File Transfer Protocol
6.4.1 Allows files to be transferred between two computers on a TCP- based network.
6.4.2 Commonly used to download programs to your computer from other servers
6.4.3 Also used to upload web pages that you have created to the server that is hosting them on the internet.
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