Layer 1 - the physical layer
Layer 4 : The Transport Layer
Layer 7: The Application Layer
physical layer Layer 1
Switches / Bridges and hubs work at data link layer, but there are layer three switches which operate at network layer. Dhruv
Data Link Layer
hub work at physical layer of osi model
2
Layer 2 , Data Link Layer
physical layer Layer 1
Layer 4 : The Transport Layer
Layer 7: The Application Layer
Switches / Bridges and hubs work at data link layer, but there are layer three switches which operate at network layer. Dhruv
Data Link Layer
PGP works at the Layer 6 - Presentation level.
TheHub work on layer 1 i.e. Physical layer of OSI Model
application
Layer 2, Data Link.