Which wildcard mask is associated with a subnet mask of /27?

Which wildcard mask is associated with a subnet mask of /27?
A . 0.0.0.31
B . 0.0.027
C . 0.0.0.224
D . 0.0.0.255

View Answer

Answer: A

Explanation:

Slash Netmask Wildcard Mask /27 255.255.255.224 0.0.0.31 Further reading

Source: https://en.wikipedia.org/wiki/Wildcard_mask