There are two hosts a and B, which are connected through router R1. The IP addresses and MAC addresses of a, B and R1 are shown in the figure. Write out the ARP request packet sent by a to B and the MAC address and IP address of the received ARP response packet. (including source address and destination address). 220.168.11.16 A 00-15-C5-C6-CB-11 220.168.11.1 R1 220.168.10.1 02-21-13-16-42-310-15-C5-C6-08-11 220.168.10.12 00-15-CS-CB-C4-35

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