What would the CIDR notation be?

You have a subnet mask of 255.255.240.0. What would the CIDR notation be?

You have a subnet mask of 255.255.240.0. What would the CIDR notation be?

A.
/16

B.
/20

C.
/24

D.
/28

Explanation:
Defining Classless Inter-Domain Routing (CIDR)

One example of CIDR would be the IP network number 192.168.0.0/16. The /16 means that the subnet mask has 16 masked bits (or 1s), making
255.255.0.0. Usually, that would be a default Class B subnet mask, but because we are using it with what used to be a Class C network number, the whole address
becomes classless.



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