Subnetting is one of the most important topics of Cisco exam so have a good understanding
of Subnetting before you plan to sit in CCNA exam. To practice subnetting, you can start
calculating with pen and worksheet but make sure that you must be able to calculate subnets in your brain
in the end.
Good Subnetting skills will save you lot of time in the exam which will help you to focus
on other questions as well.
Try following subnetting
questions to improve your subnetting skills
What is the first usable IP Address of Subnet 192.168.1.0/24
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