LAN notes - BenWare-FED/NET-150-24 GitHub Wiki

LAN: A group a system the can communicate with each other without going through a router. Systems connect to a switch which is then connected to a router. They should all share a common default gateway.

PAN: Network centered around a person

WAN: A collection of geographically separated but all under one admin.

8 wires in current ethernet cables

Things for LAN connection:

-Ethernet -Wi-Fi

CSMA/CD: Carrier sense multiple access/collision detection

Topologies:

Bus: everyone is connected to the same line, everyone can hear everything

Ring: Uses a packet called a token which allows the system to send packets. Highly vulnerable to single point failure.

Star: A nodes connect to a central device. Mainly a physical topology. A switch network is kind of like a logical star topology.