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Which type of ACK is used in 802.5?

Response:

 

Cumulative ACK

 

Independent ACK

 

Piggybacking ACK

 

None of these

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1 Answer

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piggybacking ack, because in token ring, frame contains a frame status byte which have two bits A(Address recognized) and C(frame copied) which are initially and 0 and 0 after sending data received by destination they are changed by 1 and 1  and  coming back to the sender with A =1 and C =1 which is piggybacking ack .

Ref: http://www.cs.montana.edu/~halla/csci466/lectures/lec10-2.7-token.html
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