O'Reilly logo

CCNA® Cisco Certified Network Associate: Study Guide, Seventh Edition by Todd Lammle

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Summary

Did you read Chapters 3, 4, and 5 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 already mentioned, that’s what usually happens, so don’t stress. Don’t feel bad if you have to read each of these chapters more than once, or even 10 times, before you’re truly good to go.

This chapter provided you with an important understanding of Variable Length Subnet Masks. You should also know how to design and implement simple VLSM networks and summarization.

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 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required