If you are pursuing the CCNA / CCNP Certification, you should be able to resolve a Subnetting / Reverse Subnetting Problem in a minute or less.

This application will measure your Subnetting Skills!!!

Features:
- Over 100+ Questions
- Numerical Keyboard with Submit button for faster response.
- 3 Training Modes: EASY, HARD & MASTER!
- Timer: 1 Minute per Question! (Hard & Master Modes)
- Help Button Available: Cheat, Powers & Binary!
- Why? Button with an explanation of the question.
- Why? Button is available on EASY Mode Only.
- Basic Tutorial.
- Powers & Binary Buttons available now after using the Cheat Button.
- Layout Questions!
- Score System, Answer 30 to get Rated!
- Do you consider yourself good at Subnetting… Try the Master Mode!
- No Ads, just pure Subnetting!

PS: I have expended many weeks developing this app adding new features in order to worth every penny!, Thank You for your Support!