Which of the following correctly pairs the dotted decimal subnet mask with the correct number of binary bits that represent the subnet mask?
A . 255.255.255.192 and /25
B . 255.255.255.248 and /28
C . 255.255.255.224 and /26
D . 255.255.255.248 and /27
E . 255.255.255.240 and /28
F . 255.255.255.240 and /16
Answer: E