44 votes 44 votes Which of the following functionality must be implemented by a transport protocol over and above the network protocol? Recovery from packet losses Detection of duplicate packets Packet delivery in the correct order End to end connectivity Computer Networks gatecse-2003 computer-networks network-layering easy + – Kathleen asked Sep 16, 2014 Kathleen 14.1k views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments Chhotu commented Dec 18, 2017 reply Follow Share Just additional question - Let us assume TCP is not handling whatever is mentioned in option A, B and C. Then which layer would be best for handling these functionality ? (and How could it be handled ?) 2 votes 2 votes Vegeta commented Oct 15, 2018 reply Follow Share @chhotu which layer will handle all these functionalities.. 0 votes 0 votes Punit Sharma commented Sep 8, 2019 reply Follow Share @Chhotu ji then we will go for other networks like ATM..? 0 votes 0 votes Please log in or register to add a comment.
4 votes 4 votes Transport protocols are mainly for providing end to end connections by making sockets. Recovery from packet loss & delivery in correct order, duplication is checked by Data link layer. Hence (D) is correct option. Neeraj7375 answered Jun 1, 2017 Neeraj7375 comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes Transport layer is responsible for reliability and to ensure end to end packet delivery. shashankrustagi answered Aug 6, 2020 shashankrustagi comment Share Follow See all 2 Comments See all 2 2 Comments reply anshik1998 commented Dec 9, 2020 reply Follow Share Brother, reliability isn't guaranteed by Transport Layer. TCP guaranteed that, but UDP not. 1 votes 1 votes shashankrustagi commented Dec 9, 2020 reply Follow Share Yes you are right. By tcp I broadly means transport layer in general 1 votes 1 votes Please log in or register to add a comment.
–3 votes –3 votes Answer: D saurabhrk answered Jan 9, 2015 saurabhrk comment Share Follow See all 0 reply Please log in or register to add a comment.