Axia college material

Appendix c

Osi model key terms table

Use the table to define the key terms related to the osi model. Describe the functions of any hardware connectivity devices and tools listed.

. Term

Definition

Function

(if applicable)

Physical layer

This is the first and lowest layer in the seven-layer osi model. This is when the data is sent on the network media by the nic. Data link layer

This is layer two of the osi model and resides above the physical layer and below the network layer. The data link layer is responsible for communications between adjacent network nodes. Network layer

The network layer is layer three of the osi model and resides above the data link layer and below the transport layer. The network layer is responsible for establishing paths for data...