0 votes 0 votes Type of Acknowledgment used by: 1.Go back N(is it only cumulative or both independent and cumulative)? 2.SR(only independent) 3.TCP(both) Please verify cse23 asked Jan 5, 2017 cse23 384 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply santhoshdevulapally commented Jan 5, 2017 reply Follow Share GBN--it uses both cumulative and independent ACK"s. SR---it uses only independent TCP--both. 3 votes 3 votes thor commented Jan 6, 2017 reply Follow Share https://gateoverflow.in/82647/self_doubt @santosh are you sure?? 0 votes 0 votes Please log in or register to add a comment.