What is the purpose of the FCS field in a frame? Group of answer choicesto determine if errors occurred in the transmission and receptionto compute the CRC header for the data fieldto obtain the MAC address of the sending nodeto verify the logical address of the sending node
Question
What is the purpose of the FCS field in a frame? Group of answer choicesto determine if errors occurred in the transmission and receptionto compute the CRC header for the data fieldto obtain the MAC address of the sending nodeto verify the logical address of the sending node
Solution
The purpose of the Frame Check Sequence (FCS) field in a frame is to determine if errors occurred in the transmission and reception. This is done by computing a cyclic redundancy check (CRC) on the data field of the frame at the sender and then including the result in the FCS field. The receiver performs the same computation on the received data and compares the result with the value in the FCS field. If the values match, the frame is considered to be error-free. If they do not match, an error is assumed to have occurred during transmission.
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