Labs · 3 scenarios
IP Addressing & Subnetting
Practice picking subnet masks and reading addresses quickly, the way you would on the job.
Beginner
Find the subnet mask
Given a host-count or subnet-count requirement, choose the smallest mask that fits.
Intermediate
Identify network & broadcast
Given an address and a mask, identify the network ID and broadcast address.
Advanced
VLSM subnet design
Carve one block into differently-sized subnets without overlap or wasted space.