It can be small (like two computers linked together) or large (like the Internet).
Each computer needs to have this physical device in order to be able to join any network.
NIC (Network Interface Card)

Two or more computers connected together over a county, continent, globe.
WAN
All computers are connected to single backbones.
Which topology is that?
BUS Topology
The client PC doesn't have to store any data because the server PC store all the data. Which network architecture is that?
Client-server
nodes
The device that allows connecting to the internet with wires.
Modem
Allows computers to communicate with each other in the same building
LAN
Combination of different topologies
Hybrid
A central computer that enables authorized users to access networked resources.
server
Computer networks has to consists of at least ___ computers. (how many?)
TWO.
A networking device that connects multiple computers or other network devices together and sends messages to the all connected nodes at a time
Hub
Playing music on my phone using a Bluetooth speaker. Name the type of Network by distance
PAN
A network topology in which each node connects to exactly two other nodes
Ring
All devices on a this network have an equal status
P2P
The company that provides internet
ISP
It forwards data packets between devices and sends messages to the intended node only.
Switch
a collection of many separate networks over a town
MAN
A network setup where each computer and network device is interconnected with one another.
Mesh
A person who manages client-server network and required to maintain the network.
NETWORK ADMINISTRATOR.
The arrangement of the elements in a network
Network Topology
A piece of network hardware that connects a local network to the internet.
Router
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Mr. John is a businessman. Mr. John want to be able to share information between his 7 computer station and have a central printing area, what type of network would you recommend to Mr. John?
LAN
If one computer is down, it will not affect the whole system. Name the topology
Star topology
two or more PCs are connected and share resources without going through a separate server computer.
Peer-to-peer network