Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Nabeela
answer is C . 4 times network and 6 times. data packet visit twice on DLL on routers and one time on source and destination..(1+2+2+1) packet visit on nw layer once on every spot(1+1+1+1) I hope it is clear