Chapter 16
1. B. PCs use two-option logic: send local packets (destined for hosts in the same subnet) directly, and send remote packets (destined for hosts in other subnets) to the default gateway/router. In this case, the PC’s own IP address is 192.168.5.77, with mask 255.255.224.0, so it is in subnet 192.168.4.64/27. This subnet has a range of addresses from 192.168.4.64 to 192.168.4.95, including the subnet and broadcast address. As a result, the PC sends the packet to its default gateway. As for the other incorrect answers, if the ping command had used a host name, it would have first asked a DNS server to resolve the name. Also, the PC already has an IP address, so DHCP would not be needed.
2. A and C. The route defines the group of addresses ...
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