Your company owns the public Internet IP address range of 131.107.20.0 to 131.107.20.255.
You need to create a subnet that supports four hosts. The solution must minimize the number of addresses available to the subnet.
Which subnet should you use?
A . 131.107.20.16 with subnet mask 255.255.255.248
B . 131.107.20.16/28
C . 131.107.20.0/27
D . 131.107.20.16/30
Answer: A