Negative Positive
Title: Too many technical errors to recommend as a study guide
Review: This book appears to have gone through the publication process without any technical review. The errors were too many to count, involving diagrams that didn't match their discriptions, invalid answers to test questions, technically inaccurate information and in some cases contradictory information. For instance, the one table in the book that listed the reserved/private ip address ranges had them wrong. If I could ask for my money back for this book I would.The one positive that I think you could take from this book would be to read it as a way of testing your knowledge. If you read through it and find all the errors you are probably ready to take the written.I would recommend the Jeff Doyle TCP/IP routing books, the Caslow Bridges, Routers and Switches, and the Exam Cram Routing and Switching as better resources. I passed the CCIE written on the first try.
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