如果你得到：
Number of needed subnets: 2
Network Address: 195.223.50.0
我可以回答以下问题：
Address Class: C
Default Subnet Mask: 255.255.255.0
Custom Subnet Mask: 255.255.255.192
Total number of subnets: 2^2 = 4
Total number of host addresses: 2^6 (8-2 = 6)
Number of usable addresses: 2^6 -2
Number of bits borrowed: 2
但是......如果我被问到......
What is the 3rd subnet range?
What is the subnet number for the 2nd subnet?
What is the subnet broadcast address for the 1st subnet?
What are the assignable addresses for …