You are working in a data center environment and are assigned the address range 10.188.31.0/23.You are
asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30
hosts each.Which IP address range meets these requirements?
A. 10.188.31.0/27
B. 10.188.31.0/26
C. 10.188.31.0/29
D. 10.188.31.0/28
E. 10.188.31.0/25
答案给的B
为题要求最多的子网数和子网要容纳30主机
所以我觉得答案A正确,满足30主机16子网。而B则是62主机8子网,求解······