The CCNA Security 200-260 Official Cert Guide is a complete guide covering all the material presented in the CCNA Security 200-260 exam. It is meant to help network security professionals prepare for the CCNA Security certification exam and also improve their awareness and knowledge of network security. The book uses several key practices and methodologies to help the reader discover the exam topics for which they need more review. The goal is not to try to help the reader pass the exams only by memorization, but by truly learning and understanding the topics.