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OSI Layer Model
The purpose of the OSI layer model is the administration of data transmissions in networks.
There are seven layers in total. From the top down, three layers are user-oriented, two are transport-oriented and two layers are hardware-oriented.- 7. Application layer
- 6. Presentation layer
- 5. Session layer
- 4. Transport layer
- 3. Network layer
- 2. Link layer
- 1. Physical layer
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