A Network Administrator Needs to Implement a New IP Subnet

Multiple Choice

A network administrator needs to implement a new IP subnet containing 29 hosts. It is possible that the number of hosts in that subnet could eventually double. The company only has a single, unused public IP network left to work with: 164.10.12.0/24. Which of the following would be the BEST way to divide this network without wasting addresses?

A) 164.10.12.0/24
B) 164.10.12.64/29
C) 164.10.12.128/26
D) 164.10.12.191/28