If you're preparing for Cisco certification, your road starts with CCENT Exam 640-822 ICND1. This volume covers everything you need to know! You'll learn networking basics and how to work with Cisco devices, routers, switches, and more. With...

Cisco CCIE Routing and Switching certifies expert-level knowledge of networking across various LAN and WAN interfaces and a variety of routers and switches. The CCIE certification is both the most difficult and the most prestigious certification available from Cisco. In fact, the CCIE certification has received numerous awards from computing...

The authors of the bestselling Beginning iPhone 3 Development are back, with the same excellent material completely updated for iOS 4 and written from the ground up using the latest version of Apple's Xcode 3. All source code has been updated to use the latest Xcode templates and current APIs, and all-new screenshots show Xcode 3 in...

This book is intended to serve the needs of individuals and information systems pro- fessionals who are interested in learning more about networking technologies, but who may have little or no background in this subject matter. In the first edition of this book, the materials were originally designed to help individuals prepare for Microsoft...

In your hands is one of the most exciting devices to hit the market in quite some time: the iPhone 4S. This Quick Start Guide will help get you and your new iPhone 4S up and running in a hurry. You’ll learn all about the buttons, switches, and ports, and how to use the responsive touch screen, multitask and be introduced to Siri, the...

Mixed-mode switching circuits distinguish themselves from other circuits by including switches that are either clocked externally or controlled internally. These circuits have found broad applications in telecommunication networks, instrumentation, and power electronic systems, to name a few. It is the emergence of switched capacitor...

I have been extremely fortunate. I have a wonderful wife and two wonderful grown-up children, and I have had all but thirty years working for Shell, which provided an environment...

The application framework of the presented research work is stablished in the area of the low-power portable stand-alone devices. Considering as a paradigm application the implementation of future portable terminals for telecommunications, two opposed trends coexist that determine the need for an optimized energy management. An...

Calling all developers: Windows Phone 7 is starting to gain...

• Learn design guidelines that show how to deploy server farms in highly available and scalable environments
• Plan site performance capacity with discussions of server farm architectures and their real-life...

The world of enterprise routing with Juniper Networks devices is getting very exciting—new technologies, products, and network developments are making the enterprise network environment one of the most dynamic places to be. However, we, the authors, hope to focus that energy by providing you with a detailed and practical...

The story of software engineering has been the story of increasing the level of abstraction at which we as programmers work, from logic encoded in hardware to toggle switches representing binary digits, through machine code, assembly language, low-level languages, and high-level languages both procedural and functional. More recently,...