Computer Networking › Section A · Computer networks and the internet › Topic A.2
The network edge: hosts and access networks
Before a packet can cross the internet it has to leave your device and reach a first router. That first stretch, over a phone line, a cable, a fibre, Wi-Fi or a cellular signal, often decides how fast the whole connection feels.
In this topic
- Hosts and their access networks
- DSL over the telephone line
- Cable: hybrid fibre-coax
- Fibre to the home and fixed wireless
- Worked example: asymmetric access
- Ethernet and Wi-Fi in the LAN
- Wide-area wireless: cellular access
- Guided physical media
- Unguided media: radio and satellite
- Worked example: why geostationary links feel slow
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…