Assume that Source S and Destination D are connected through an intermediate router R. How many times a packet has to visit the network layer and data link layer during a
transmission from S to D?

A

Network layer - 4 times, Data link layer - 4 times

B

Network layer - 4 times, Data link layer - 6 times

C

Network layer - 2 times, Data link layer - 4 times

D

Network layer - 3 times, Data link layer - 4 times