"A gateway to all the Cisco basics as well as an introduction to new trends in the world of internetworking. This practical guide covers the fundamentals, including IOS command structure, routing and networking protocols, design and management tools, network security, and network device configuration. The fifth edition features new coverage of latest technologies, including cloud transitions, telepresence, adding mobile devices, software-defined networking, configuration, hardware, protocols, security, backup, recovery, virtualization, and much more. Walks you through how to design, manage, and troubleshoot a robust Cisco network"-- Provided by publisher.