Unit 2-networks

The exchange of information between people and organisations

Domain Name System Domain names r given for internet hosts and is a hierarchy system of finding a domain’s IP address

Hardware used to make up the LAN and floods data through a network

Network owned by 1 co./org. who are in charge of: Buying equipment and software Maintaining the network Training its staff Often a LAN or intranet

A device, e.g. computer, connected to a network

Owned by a telecom co. like BT Many will use it No specific password needed Sub-sections may be under security management

How the physical structure of a network fits together and works

Converts analogue data (from public communications) to digital data and vice versa

A device that makes the local wireless network between devices with WiFi/Bluetooth

A network of one central cable with nodes running along

Hardware used to connect private networks together (can join LANs, WANs, and WLANs) and translates protocols Also has public and private IP addresses

Where there’s too many requests for the server to handle at the same time

Wireless Local Area Network

The amount of data that CAN go through a network @ 1 time

Digital Subscriber Line A wired internet connection that uses local phone lines

Node Client Host

The unique ID address of a single computer

The bit of the network where collision happen-often with simplex and abs half-duplex networks

How far a signal can go through different media,e.g. walls and the atmosphere

Carrier Sense Multiple Access with Collision Detection

Standard rules about how something is done

Using a double colon to indicate two sets of 4 zeroes in an IPv6 address

The maximum and minimum values of a buffer

A protocol and a wired internet connection