IT 240 Week 2 CheckPoint OSI Model Key Terms Table.

Feb 3rd, 2012
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IT 240 Week 2 CheckPoint OSI Model Key Terms Table. 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.

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