3.1.1 – Identify different types of networks.

Different Types of Network

LAN Local Area Network.

A small group of computers connected, usually over a very small area – a single room or a building. Usually done with copper cables.

MAN Metropolitan Area Network.

Network over a larger are, usually city-size, connecting computers and LANs. Sometimes done with fiber optics as high speeds are required.

WAN Wide Area Network.

Network over large geographical areas, often across and beyond entire continents. Most known WAN is the internet. Various transmission media, like phone cables, fiber optics and satellite transmission. Connects many computers, LANs or WANs.

VLAN Virtual Local Area Network.

A type of network where computers behave like they were in the same LAN, but in reality they are far apart in different networks, from where they tunnel in into the virtual LAN. An example is Hamachi, often used by gamers to play multiplayer games that only support LAN parties, over the internet.

WLAN: 

Same as a LAN, just with radio wave connections instead of wires. In general slower than a LAN.

PAN – Personal Area Network.

Usually for a single person to network devices together, Tethering a mobile

P2P Network.

A peer-to-peer (P2P) network is created when two or more PCs are connected and share resources without going through a separate server computer

SAN

storage area network is a type of local area network (LAN) designed to handle large data transfers and bulk storage of digital information. It often looks like a hard drive you can connect to

VPN

Virtual Private Network A virtual private network (VPN) is a network that is constructed usually via the Internet — to connect remote users or regional offices to a company’s private, internal network.

Clients & Servers

Server

A computer or computer program that manages access to a centralized resource or service in a network.

Client

A computer or workstation that is capable of obtaining information and applications from a server.