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...emember: It's just a test, and at this point, it's open book! Covers: Exam 640-507 Book Info Presents a test-prep guide for those preparing for the Cisco-certification exam. Packed with proven tips and practice exams. Softcover. CD-ROM included. From the Publisher Discover how to: Editorial Reviews Book Description What was that whizzing sound? It was you, passing the CCNA certification exam. After you've covered all of Cisco Systems' exam objectives in CCNA For Dummies, such tasks as following network protocols, routing, and maintaining network security will be new tools to add to your skill set. First, expect to become familiar with the language of the exam with the expert guidance of your certified authors. Then, find your way around the workings of the OSI model and its layers: the data link, network, transport, and upper layers. Routers become manageable as you practice commands and algorithms. And when you're comfortable with network protocols, you'll move on to LAN and WAN switching. The book's CD-ROM helps you assess your weak spots through a test engine and a variety of exam scenarios, and ten sites to boost your studying are also included. Remember: It's just a test, and at this point, it's open book! Covers: Exam 640-507 Book Info Presents a test-prep guide for those preparing for the Cisco-certification exam. Packed with proven tips and practice exams. Softcover. CD-ROM included. From the Publisher Discover how to: Editorial Reviews Book Description What was that whizzing sound? It was you, passing the CCNA certification exam. After you've covered all of Cisco Systems' exam objectives in CCNA For Dummies, such tasks as following network protocols, routing, and maintaining network security will be new tools t...