Define OSI model?

The OSI Model:

One communication standard created by ISO is called the open system inter connections (OSI) model that simulates the communications processing using seven layers, each with its own set of protocols. The purpose of the OSI model is to enable any vendor’s computer system to share data with any other vendor’s computer system in an open networking environment.

List of Layers of the OSI Model:

The OSI model consists of seven layer.

1. Physical layer
2. Data link layer
3. Network layer transport layer
4. Session layer
5. Fresentation layer
6. Application layer