1 votes 1 votes The checksum in IP must be recomputed at every router,because of change in __________ fields? A) TTL,Option, Datagram Length , Offset B)TTL , Header Length , Offset , TOS Computer Networks computer-networks + – srestha asked Dec 8, 2017 srestha 2.0k views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply joshi_nitish commented Dec 8, 2017 reply Follow Share it should be A), every attributes in TTL,Option, Datagram Length , Offset might changed in intermediate routers leading to recomputation of checksum in B) TOS(types of services) are not changed in intermediate routers 1 votes 1 votes srestha commented Dec 8, 2017 reply Follow Share why TOS not change? 0 votes 0 votes joshi_nitish commented Dec 8, 2017 reply Follow Share because it is set by sender, and routers can only read it but cant modify it. 2 votes 2 votes Please log in or register to add a comment.
