0 votes 0 votes answer given is 11. I am Getting 3 Computer Networks go-back-n + – amitqy asked Nov 16, 2018 amitqy 306 views answer comment Share Follow See 1 comment See all 1 1 comment reply eyeamgj commented Nov 16, 2018 reply Follow Share total 21 packets we will send so extra will be 21-10=11 is correct . 0 votes 0 votes Please log in or register to add a comment.