1.1 Compare the layers of the OSI and TCP/IP models.


 * OSI model :


 * Layer 1 – Physical
 * Layer 2 – Data link
 * Layer 3 – Network
 * Layer 4 – Transport
 * Layer 5 – Session
 * Layer 6 – Presentation
 * Layer 7 – Application
 * TCP/IP model:
 * Network Interface Layer
 * Internet Layer
 * Transport Layer
 * Application Layer
 * (Also described as: Link Layer, Internet Layer, Transport Layer, Application Layer)