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Explain Token Ring.
Token Ring:
A token ring is a collection of single point -to-point links, which arise from a circle. In a token ring a special bi t pattern, termed as the token, circulates around the ring when each station is idle. While a station needs to transmit a frame, this is needed to seize the token and remove this from the ring before transmitting. Its action is done through inverting a single bit in the 3-byte token that instantly changes this into the first 3 bytes of a normal data frame. Since there is only one token one station can transmit at a specified instant.
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