Using a Class C address space of XXXXXXXXXX, you are asked to create a subnet mask for the new network design. Each subnet must be capable of supporting at least 20 hosts. Which subnet mask best...

Using a Class C address space of 199.88.77.0, you are asked to create a subnet mask for the new network design. Each subnet must be capable of supporting at least 20 hosts. Which subnet mask best complies with the request, and how many subnets can be created?

A. 255.255.255.192, creating four subnets

B. 255.255.255.224, creating eight subnets

C. 255.255.255.240, creating 16 subnets

D. 255.255.255.248, creating 32 subnets