In this chapter, you learned that:
Subnetting is the process of segmenting a network, by dividing it into multiple smaller network spaces.
Subnetting a subnet, or using VLSM, was designed to avoid wasting addresses.
IPv6 address space is subnetted to support the hierarchical, logical design of the network.
Size, location, use, and access requirements are all considerations in the address planning process.
IP networks must be tested to verify connectivity and operational performance.