About: CIDR Trainer trains users to perform network subnet calculations. It uses
directed training drills while providing documentation to instruct users to
perform each step of network subnetting calculations.
It uses directed training drills while providing documentation to instruct users to perform each step of network subnetting calculations.
After that you may try the other drills or purchase a permanent unlock of all training drills for a low price (see in-app purchases for the "forever full-unlock" price in your region).
CIDR Trainer trains users to perform network subnet calculations.
CIDR Trainer uses iCloud to sync drill progress between your devices.
CIDR Trainer includes IPv4 and IPv6 CIDR calculators.
One purchase unlocks all versions of the app (iOS, iPadOS, and MacOS).
You may try each training drill for free 20 times.
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