Chapter 15

Question 1

broadcast subnet

Answer 1

broadcast subnet
When subnetting a Class A, B, or C network, the one subnet in each classful network for which all subnet bits have a value of binary 1. The subnet broadcast address in this subnet has the same numeric value as the classful network’s networkwide broadcast address.

Question 2

subnet zero

Answer 2

An alternative term for zero subnet.

Question 3

zero subnet

Answer 3

For every classful IPv4 network that is subnetted, the one subnet whose subnet number has all binary 0s in the subnet part of the number. In decimal, the zero subnet can be easily identified because it is the same number as the classful network number.