Zusammenfassung der Ressource
Levels of Networks
- PAN
- Stands for Personal Area Network
- Types of PAN: Wi-Fi, Hotspot, Bluetooth
- Devices used: PCs, laptops, smart phones, smart TVs,
tablets, bluetooth mouse/keyboard/headset, printers
- WAN
- WANs connect LANS together even if they are in different
geographical locations e.g the internet, a business with stores in
different countries
- Stands for Wide Area Network
- Devices used: PCs, laptops, tablets
- Connected through fibre or copper telephone
lines, satellite links or radio links
- Who owns the hardware: telecommunications companies
- LAN
- A LAN is a type of network that connects
computers in a small geographical location e.g
a school or one office building
- Stands for Local Area Network
- Devices that use LANs: PCs, tablets, smart
TVs, printers, laptops
- Who owns the hardware used: the
organisation that uses the hardware
- People use LANs to share files easier, share the same hardware (e.g printers),
communicate with other uses on the same LAN, install updates on multiple
computers at the same time (e.g in schools)
- Factors Affecting Networks
- Bandwidth
- Choice of hardware e.g NIC, switches, routers
- Connection used e.g wired, wireless, fibre
optic cables, copper cables