🛰️ Ethernet
You can get different types of ethernet cables.
Cable Types
- Coaxial Cable
- Twisted Pair
- Catgory 3 – Three twists per inch
- Cat 5 – five twists per inch
- Cat 5e – 5 twists per square inch; pairs also twisted together
- Cat 6 – Six twist per inch, with improved insulation
- RJ45 connector is used to connect the device.
- Fibre Optic
Characteristics:
- Routing IP packets
- Quality of Service classification
- Virtual LAN configurations
- Cheap
Data collisions can occur is two devices send at the same time especially if a hub is used.
CSMA/CD protects against this
CSMA/CD
Carrier Sense Multiple Access with Collision Detection
If data collision occurs senders back off and resend. It uses carrier-sensing to defer transmissions until no other stations are transmitting