توضیحات:

This App provides students and teachers with several tests about IP class. Endless series of exercises to practice with. Hone your skills if you study for both CCENT, MCSE, RHCE or CCNA exam and for school activities. It is also intended to be a teaching tool. Furthermore, it could be used with "Subnet skill", "CIDR Calc" and "Subnet Calc" apps, by the same author.