Practice with Classful Networks

As with all areas of IP addressing and subnetting, you need to practice to be ready for the CCENT and CCNA exams. Before the exam, you should master the concepts and processes in this chapter and be able to get the right answer every time—with speed. I cannot overemphasize the importance of mastering IP addressing and subnetting for the exams: Know the topics, and know them well.

However, you do not need to completely master everything in this chapter right now. You should practice some now to make sure that you understand the processes, but you can use your notes, use this book, or whatever. After you practice enough to confirm you can get the right answers using any help available, you understand the topics ...

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