A Channel ID mismatch occurs when （）.

A fibers are terminated incorrectly on a node
B the channel number in the received K1 byte is not identical to the channel number transmitted in the K2 byte
C the channel number in the received C1 byte is not identical to the channel number transmitted in the C2 byte
D the channel number in the received C2 byte is not identical to the channel number transmitted in the C1 byte
E the channel number in the received K2 byte is not identical to the channel number transmitted in the K1 byte

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分类：CCNP(642-311)题库

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