CCNA Security Official Exam Certification Guide is a best of breed Cisco exam study guide that focuses specifically on the objectives for the CCNA Security IINS exam. Senior security instructors Michael Watkins and Kevin Wallace share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics. * Master the IINS 640-553 exam with this official study guide * Assess your knowledge with chapter-opening quizzes * Review key concepts with Exam Preparation Tasks * Practice with realistic exam questions on the CD-ROM