Hi jvhobbs

The ability to subnet is an important skill for a network engineer/administrator and I would advise you to get used to subnetting in your head and not rely on subnet calculators, as these are not allowed in the exam and you will not always have one to hand when you have to subnet.

It's not that hard to master and once you know it, you know it and with a little practice you will be able to subnet almost as fast in your head as you could using a calculator.

Best Regards,



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