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
Answer: D. Network layer - 3 times, Data link layer - 4 times