John Wants to Divide His Organization's Network into 6 Subnets

Multiple Choice

John wants to divide his organization's network into 6 subnets. He should be able to allocate a maximum of 25 hosts on each subnet. The organization's network address is 202.142.16.5. Which of the following classful subnet masks should he use?

A) 255.255.255.240
B) 255.255.255.224
C) 255.255.255.192
D) 255.255.255.128