Trust the best selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. They are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam. CCNA Voice 640-461 Official Cert Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and enable you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly. Master Cisco CCNA Voice 640-461 exam topics Assess your knowledge with chapter-opening quizzes Review key concepts with exam preparation tasks Practice with200+ realistic exam questions on the CD-ROM CCNA Voice 640-461 Official Cert Guide focuses specifically on the objectives for the CCNA Voice ICOMM exam. Senior voice consultants and trainers Jeremy Cioara and Michael Valentine 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. ! Uwagi: Oprawa nieznacznie zarysowana. Brzegi stron zakurzone.