Network

Network

1. A protocol is a set of rules that a computer needs to follow in order to communicate and share data.

2. A Lan covers a small geoghraphical area in a single site.

   • LAN- this covers a small geographical area on a single site (they are mostly used in homes and offices) they are also owned by one organization

3. WAN is wide area network and covers a large geoghraphical area like the internet.

   • WAN- connects to different geographical locations for example an organization that owns 3 offices around the world would need WAN to help them share files also you have to hire the infrastructure form telecommunications companies who own and mange the WAN

4. Client server is mangaed by a main server.

5. Peer to peer all devices have equal statues.

6. Star network is when all the devices are connected to one router.

7. A bus topology is when all the devices are connected to one line rod and if a bit of the cable gets broken all the devices will not work.

8. wired connections such as ethernet and fibre optic are way faster but fibre optic the top wired connection a user can get as it doesn't get interfered by electromagnetic waves and instead sends data as light pulses through a fibre glass rod

9. bandwidth affects all networks and is the the amount of data being transferred in a given time

   • too many users heavy use can slow down and lower the amount of bandwidth a user has

10. wireless networks use radio waves to transmit data

11. to set up a wireless network, you need a wireless access point device and the WAP with hotspots

12. things such as Wi-Fi, is the standard used for wireless networks. Wi-Fi uses two radio frequency bands - 2.4 GHz and 5 GHz