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Title: Helpful, but flawed
Review: This book was helpful, but I found a number of flaws and inconsistencies. I have passed 3 of the 4 required to complete the CCNP. I always start with the Cisco Press books first, and then use this book as a review. Of the three tests I've taken, I've passed all on the first try.This book is a good way to test your understanding by spotting the statements that are wrong, partially right, or right but misleading. For example, on page 242 VTP is defined as "Virtual Trunk Protocol." Then at the review of terms at the end of the chapter (p269), VTP is defined as "VLAN Trunk Protocol." There are other cases where information is correct, but misleading.To sum up, this book is useful; but definitely do not use it as your primary study material. If you don't find yourself reading sections more than once because they seem to conflict with what you've read elsewhere, you probably don't have a thorough understanding of the material.
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