A.172.22.243.127 B.172.22.243.191 C.172.22.243.190 D.10.16.33.98 E.10.17.64.34 F.192.168.1.160
A.1~99 B.100~199 C.1300~1999 D.2000~2699
A.Add two more FastEthernet interfaces. B.Add a second router to handle the vlan traffic. C.Use a hub to connect the four vlans with a FastEthernet interface on router. D.Implement a router-on-a-stick configuration.