If you have a class B IPv4 network and want to divide it into subnets, each with 126 hosts, which subnet mask should you use? How many networks 4 will be available? What are the four addresses (broadcast and network num- ber) for the network starting at 131.204.18?
What will be an ideal response?
The subnet mask is 255.255.255.128 or FFFFFF80 or /25 (all equivalent).
There will be 512 networks available.
Networks: 131.204.18.0, 131.204.18.128
Broadcast: 131.204.18.127, 131.204.18.255
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