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Which one is not done by Data link layer ?
1. bit stuffing
2. LRC
3. CRC
4. parity check
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Answer Posted / yogesh babar
LRC is not done by Data Link Layer.
Reason- Bit stuffing is used in DLL to identify the new frame and the older frame which is recognized by adding 0111 at the end of every frame so that receiver will get idea that from this moment new frame will start.
Regarding CRC is used for to check whether data is altered during transmission or not and parity is also doing the same.
So remaining is LRC which is not present at DLL at all.
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