Cisco Exam Questions

Which addressing scheme would satisfy the needs of this network yet waste the fewest addresses?

Refer to the exhibit. The routers are running RIPv2. Which addressing scheme would satisfy the needs of this network yet waste the fewest addresses?

A.
Network 1: 192.168.10.0/26
Network 2: 192.168.10.64/26
Network 3: 192.168.10.128/26
Serial link 1: 192.168.20.0/24
Serial link 2: 192.168.30.0/24

B.
Network 1: 192.168.10.0/26
Network 2: 192.168.10.64/28
Network 3: 192.168.10.80/29
Serial link 1: 192.168.20.88/30
Serial link 2: 192.168.30.96/30

C.
Network 1: 192.168.10.0/26
Network 2: 192.168.10.64/27
Network 3: 192.168.10.96/28
Serial link 1: 192.168.10.112/30
Serial link 2: 192.168.10.116/30

D.
Network 1: 192.168.10.0/27
Network 2: 192.168.10.64/28
Network 3: 192.168.10.96/29
Serial link 1: 192.168.10.112/30
Serial link 2: 192.168.10.116/30