CCNA Exam Cram 3rd Edition - Exam: 640-507 Author:Sheldon Barry The CCNA Exam Cram covers all curriculum objectives for reader to pass the CCNA Routing and Switching exam (640-507), including installation, configuration, and operation of simple-routed LAN, WAN, and switched LAN networks. Discusses remote access and integrating dial-up connectivity with traditional, remote LAN to LAN access, as well as suppo... more »rting the high levels of performance required for new applications such as Internet commerce and multimedia. Demonstrates ways to optimize WAN through Internet solutions that reduce bandwidth and WAN cost. Explains features such as filtering with Access Lists, Bandwidth on Demand (BOD), and Dial on Demand Routing (DDR). Combines the curriculum objectives of the CCNA Routing and Switching exam with specific test-taking advice.« less