It is a fact that the CCIE lab exam will be a very difficult test for persons who are aspiring to be CCIEs, but with the aid of books which serve the purpose of guiding the user through the backbone of the exam, success will be much easier to attain. CCIE Routing and Switching Official Exam Certification Guide (2nd Edition) will most likely be used solely for the CCIE written preparation. Research shows that this book definitely serves its purpose for its users.
A new edition of the same book has already been published. It contains information regarding the CCIE exam. It also provides the user with more sections which focus on preparation for the CCIE exam, compared the previews 1st and 2nd editions of the book. This latest edition is entitled, CCIE Routing and Switching Official Exam Certification Guide (3rd Edition). So it is evident that you may want to get the 3rd edition over the 2nd edition since it contains more up-to-date information.
The CCIE Routing and Switching Exam Quick Reference Sheets will provide you with lists of information concerning topics found on the written blueprint of CCIE. The lists however, provide minimal explanations and will only serve as a tool used for review. You might opt to use it as a last check-up review test before taking the actual written exam. The Cisco Doc CD Documents provide documentations provided by Cisco. Even though books provide great support for technical overviews and provides foundation, they may still lack details which are required to enable you to function as if you are already leveled as a CCIE level. Customer ratings in shops on the World Wide Web show that CCIE readings usually serve the purpose of being a technical reference.