Question 1: Host A with IP address 100.10.10.2 and MAC address AA:AA:AA:AA:AA:AA
sends a packet to a Host B located in the internet. The IP address and MAC address of Host
B are 150.10.10.5 and BB:BB:BB:BB:BB:BB, respectively. The default gateway of host A is
router R1 which is further connected to the router of the ISP (R_ISP). Note that R1 has one
interface connected to Host A and another interface connected to R_ISP. The IP addresses
and MAC addresses of all interfaces of R1 and R_ISP are shown in the figure below.