Term
| Purpose of Layer 2- Data Link Layer |
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Definition
| The data link layer provides a means for exchanging data over a common local media. It repackages the data into frames and controls the frames' access to the media. |
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Term
| Two basic services of the data link layer |
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Definition
- allows the upper layer to access the media using techniques such as framing
- controls how data is placed on to the media and is received from the media using techniquies such as media access control (MAC) and error detection
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Term
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Definition
| devices communicating on level 2 |
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Term
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Definition
| how the nodes are connected to one another. also referred to as a network segment |
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Term
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Definition
- accepting frame from the media
- decapsulating frame into a packet
- constructing a new frame apporpriate for next media
- forwarding packet inside new frame via layer 1
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