Configure and verify IPv4 addressing and subnetting
5 practice questions under this official exam objective (200-301) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
Which IP Address and Mask Work on a /30 Subnet?
This question tests IPv4 subnetting for a /30 point-to-point link, which uses mask 255.255.255.252 and yields exactly two usable host addresses. Optio
Which Subnet Mask Fits 320 Users on One Subnet?
This CCNA subnetting question asks which SVI IP address/mask command covers 8 floors of 30-40 users in a single subnet while wasting the least address
Most Efficient Subnet Summary for Four Office Floors
This subnetting scenario asks for a summary address plus per-floor subnets that cover 24, 29, 28, and 22 users with minimal address waste. The answer
Why Router Interfaces Cannot Share One Subnet
This Redundant CCNA design question tests whether two router interfaces can be configured with addresses inside the same 192.168.1.0/24 network. The p
Which IPv4 prefix matches each usable host range?
This drag-and-drop asks you to pair the host address 172.28.228.144 written with five different prefix lengths (/18, /21, /23, /25, /29) to the usable