Subnetting Questions

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Thank you for visiting, the most extensive subnetting practice site on the Internet. We provide text based and image based subnetting questions which simulate the real world.

Learning how to subnet is key to passing the CCNA, understanding how the internet works and the basis for any networking career. Use this site to gain the knowledge you need to succeed.

If these questions seem too difficult, start out with our basic subnetting practice questions. You may also want to look at our IPv6 subnetting practice questions

You can verify your answers with our Subnet Calculator or VLSM Calculator.

Download our Subnet Cheat Sheet for all the essential information you need to quickly perform subnet calculations in your head.

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