Question: 2) Link layer (and network layer) addressing and forwarding (4 pts) Consider the figure below. The IP and MAC addresses are shown for nodes

2) Link layer (and network layer) addressing and forwarding (4 pts) Consider

2) Link layer (and network layer) addressing and forwarding (4 pts) Consider the figure below. The IP and MAC addresses are shown for nodes A, B, C and D, as well as for the router's interfaces. F9-04-58-FD-BC-59 128.119.185.47 (1) 91-52-3E-8D-2E-BO 128.119.16.253 B (2) D9-FF-7D-FC-E8-67 128.119.185.219 Consider an IP datagram being sent from node A to node D. 1. What is the source mac address at point 1? Answer: 2. What is the destination mac address at point 1? Answer: 3. What is the source IP address at point 1? Answer: 4. What is the destination IP address at point 1? Answer: (3) 7. What is the source mac address at point 4? Answer: 3F-5A-D9-00-31-F6 128.119.16.80 25-87-88-90-C9-ED 128.119.92.202 8. What is the destination mac address at point 4? Answer: (4) EB-AO-FA-OA-FE-F4 128.119.92.145 (6) (5) C 5. Do the source and destination mac addresses change at point 2? Answer with yes or no. Answer: C6-13-14-58-A4-48 128.119.92.137 6. Do the source and destination mac addresses change at point 4? Answer with yes or no. Answer: 9. Do the source and destination mac addresses change at point 5? Answer with yes or no. Answer:

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