Question: 1. Consider the network depicted in the figure below. The IP addresses and MAC addresses of individual interfaces are as denoted in the figure.

1. Consider the network depicted in the figure below. The IP addresses and MAC addresses of individual interfaces are as denoted in the figure. PC-A PC-A 10.10.10.1 AA: AA AAAAAAAA Interface 1 10.10.10.250 cccccccccccc E1 R1 Interface 10.10.201 (XXXXX E3 R2 E2 Interface 2 10.10.202 00:00:00 00:00:00 Interface ES 10.10502 abababababab ES R3 E4 Interface 4 10.10.50.1 DUSCHICHIC port 1 $1 E6 Interface 16 10.10.30.250 cbcbcbcbcbcb port 2 PC-B 10.10.301 88:88:88:88:88:88 Suppose that the sender host PC-B with the IP address 10.10.30.1/24 wants to send an IP datagram to the receiver host PC-A with IP address 10.10.10.1/24. Answer the following questions. a. What is the source and the destination IP address of the packet when it leaves the router R3? (5 points) b. What is the source and the destination MAC address of the frame when it leaves the PC-B? (5 points) c. What is the source and the destination MAC address of the frame when it leaves the switch $1? (5 points) d. What is the source and the destination MAC address of the frame when it leaves the router R2? (5 points) e. What is the source and the destination MAC address of the frame when it leaves the router R3? (5 points) Suppose now that the host PC-A wants to reply to host PC-B. f. What is the source and the destination IP address of the packet when it leaves R2? (5 points) g. What is the source and the destination MAC address of the frame when it leaves the router R1? (5 points) h. What is the source and the destination MAC address of the frame when it leaves the router R2? (5 points) i. What is the source and the destination MAC address of the frame when it leaves the router R3? (5 points) j. What is the source and the destination MAC address of the frame when it leaves the switch $1? (5 points)

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