Fill in the IP and MAC addresses as the ping goes from PC1 to PC2 hop-by-hop. 192.168.1.0/24 PC1 192.168.12.0/24 192.168.2.0/24 Fa0/0 Fag/1 Fa0/1 Fa0/0 PC2 R1 R2 PC1 Ethernet Interface IP Address: 192.168.1.10 MAC Address: 69d4:879cd438 R1 Fa0/0 Interface IP Address: 192.168.1.1 MAC Address: 8732:13d2:8729 R1 Fa0/1 Interface IP Address: 192.168.12.1 MAC Address:8732:13d2:8730 R2 Fa0/1 Interface IP Address: 192.168.12.2 MAC Address: 8732:1345:8a2c R2 Fa0/0 Interface IP Address: 192.168.2.1 MAC Address: 8732:1345:8a2d PC2 NIC IP Address: 192.168.2.20 MAC Address: 9472 od2a:85b6 Source MAC Hop Address Destination MAC Address Source IP Destination IP Address Address PC1 -> R1 69d4:879c:d438 192.168.1.10 R1-> R2 R2 -> PC2 The output of 'arp -a' on PC1: Internet Address 9472:cd2a:85b6 Physical Address 192.168.2.20