TLU5 - Wide Area Network

These are all the definitions for the Wide Area Network INCOMPLETE

Fibre optic backbone

Connects various parts of a network, providing a path for the exchange of information between different LANs.

LAN

A network limited to a small area and owned by a single organisation.

WAN

Not confined to one area, and can be owned by multiple organisations.

Gateway

A device that provides connectivity between two or more network segments.

Radio Waves

The wireless transmission of sound messages or information.

Satellite Communication

The use of satellite technology to provide voice and video calling, Internet television and radio channels.

Microwave

A communication system that uses a beam of radio waves in the microwave frequency wave to transmit video, audio, and data between two locations.

Cellular Tecjnologies

What mobile phone networks are based on.

3G

Replaced 2G system, which could handle phone calls, basic text messaging and transfer small amounts of data,

LTE

Improvement over 3G but not substantial enough to be a new generation.

4G

Faster connection speeds and mobile hotspots.

5G

Smarter faster and more efficient than 4G.

Wi-Fi calling

Fibre

Fibre optic cables to transmit data.

ADSL

Telephone lines transmit data along copper cables from the nearest telephone exchange.

SMTP

Used when an email is delivered from an email client to an email server. Port 25

POP3

Allows an email client to download an email from an email server.

IMAP

Like POP3, allows an email client to download an email from an email server, but it offers more features than POP3

HTTP

The standard protocol for transferring web pages and their content across the Internet.

HTTPS

The secure version of HTTP.

FTP

Used to transfer files across the Internet.

WebDAV

An extension of the HTTP protocol used for communication between client browsers and web servers.