Summary
Did you read Chapters 2 and 3 and understand everything on the first pass? If so, that is fantastic—congratulations! The thing is, you probably got lost a couple of times, and as I told you, that's what usually happens, so don't stress. Don't feel bad if you have to read each chapter more than once, or even 10 times, before you're truly good to go.
This chapter provided you with an important understanding of IP subnetting. After reading this chapter, you should be able to subnet IP addresses in your head.
You should also understand the Cisco troubleshooting methods. You must remember the four steps that Cisco recommends you take when trying to narrow down exactly where a network/IP addressing problem is and then know how to proceed systematically ...
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