Module 2: OSI – Model
- 7 Layers – Communication between the Layers (Encapsulation & De-encapsulation) – PDU.
- Layer 2 – MAC/LLC – 802.3/802.2 (SAP/SNAP) /Ethernet II – Frames
- Broadcast/Collision domain – point of -Hub/Switch/Router
- L4 – 3way handshake – windowing – and about – Connectionless
- Packet size [64B (mini) to 1518B (Max)]