In just 24 sessions of one hour or less, learn how to use today’s key networking techniques and technologies to build, secure, and troubleshoot both wired and wireless networks. Using this book’s straightforward, step-by-step approach, you master every skill you need–from working with Ethernet and Bluetooth to spam prevention to network troubleshooting. Each lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common networking tasks. Q&A sections at the end of each hour help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know? tips offer advice or show you easier ways to perform tasks. Watch Out! cautions alert you to possible problems and give you advice on how to avoid them. Learn how to... Choose the right network hardware and software and use it to build efficient, reliable networks Implement secure, high-speed Internet connections Provide reliable remote access to your users Administer networks to support users of Microsoft, Linux, and UNIX environments Use low-cost Linux servers to provide file and print services to Windows PCs Protect your networks and data against today’s most dangerous threats Use virtualization to save money and improve business flexibility Utilize RAID technologies to provide flexible storage at lower cost Troubleshoot and fix network problems one step at a time Preview and prepare for the future of networking

The clear, easy-to-understand tutorial for developers who want to write software for today's hottest new device: Apple's iPad! Figures and code appear as they do in Xcode Covers iOS 3.2 and up In just 24 sessions of one hour or less, learn how to build powerful applications for today’s hottest tablet device: the iPad! Using this book’s straightforward, step-by-step approach, you’ll master every skill and technology you need, from setting up your Xcode development environment to utilizing the full iPad screen real estate for touchable interfaces, integrating maps and media, to improving the reliability and performance of your software. Each lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common iPad development tasks. Quizzes and Exercises at the end of each chapter help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know? tips offer advice or show you easier ways to perform tasks. Watch Out! cautions alert you to possible problems and give you advice on how to avoid them. Printed in full color Learn the features of the Xcode development suite Prepare your system and iPad for efficient development Get started fast with Apple’s Objective-C and Cocoa Touch Understand the Model-View-Controller (MVC) development paradigm Implement advanced application interfaces with interactive widgets and web-connected interfaces Enhance the user experience with popovers and other iPad-only UI features Build interfaces that adjust to the iPad’s orientation Read and write data, and navigate it with table views Implement media playback and recording capabilities Integrate your software with the iPad’s email, photos, iPod, and address book applications Create map and location-based services Sense motion with the iPad accelerometer input Discover the tools for building universal iPad/iPhone/iPod touch applications Distribute your applications through the App Store

This book presents an investigative approach to globalization-driving technologies that efficiently deliver ubiquitous, last-mile, broadband internet access to emerging markets and rural areas. Research has shown that ubiquitous internet access boosts socio-economic growth through innovations in science and technology, and has a positive effect on the lives of individuals. Last-mile internet access in developing countries is not only intended to provide areas with stable, efficient, and cost-effective broadband capabilities, but also to encourage the use of connectivity for human capacity development. The book offers an overview of the principles of various technologies, such as light fidelity and millimeter-wave backhaul, as last-mile internet solutions and describes these potential solutions from a signal propagation perspective. It also provides readers with the notional context needed to understand their operation, benefits, and limitations, and enables them to investigate feasible and tailored solutions to ensure sustainable infrastructures that are expandable and maintainable.

Sams Teach Yourself TCP/IP in 24 Hours, Sixth Edition is a practical guide to the simple yet illusive protocol system that powers the Internet. A step-by-step approach reveals how the protocols of the TCP/IP stack really work and explores the rich array of services available on the Internet today. You’ll learn about configuring and managing real-world networks, and you’ll gain the deep understanding you’ll need to troubleshoot new problems when they arise. Sams Teach Yourself TCP/IP in 24 Hours is the only single-volume introduction to TCP/IP that receives regular updates to incorporate new technologies of the ever-changing Internet. This latest edition includes up-to-date material on recent topics such as tracking and privacy, cloud computing, mobile networks, and the Internet of Things. Each chapter also comes with: Practical, hands-on examples, showing you how to apply what you learn Quizzes and exercises that test your knowledge and stretch your skills Notes and tips with shortcuts, solutions, and workarounds If you're looking for a smart, concise introduction to the TCP/IP protocols,start your clock and look inside. Learn how to... Understand TCP/IP’s role, how it works, and how it continues to evolve Work with TCP/IP’s Network Access, Internet, Transport, and Application layers Design modern networks that will scale and resist attack Address security and privacy issues with encryption, digital signatures, VPNs, Kerberos, web tracking, cookies, anonymity networks, and firewalls Discover how IPv6 differs from IPv4, and how to migrate or coexist with IPv6 Configure dynamic addressing, DHCP, NAT, and Zeroconf Establish efficient and reliable routing, subnetting, and name resolution Use TCP/IP in modern cloud-based environments Integrate IoT devices into your TCP/IP network Improve your efficiency with the latest TCP/IP tools and utilities Support high-performance media streaming and webcasting Troubleshoot problems with connectivity, protocols, name resolution, and performance Walk through TCP/IP network implementation, from start to finish

Sams Teach Yourself Beginning Programming in 24 Hours assumes the reader has no knowledge of technology and starts from the absolute beginning, explains everything you need to know before you start programming, and then presents simple programming techniques. Greg Perry teaches JavaScript, one of the world's easiest languages - and the #1 programming language used on modern web sites. Once the reader has learned how to code the right way in JavaScript, Perry shows how to apply those techniques in several of today's other leading programming environments. The book contains step-by-step instructions, Q and As, Quizzes, Exercises, and insider advice.

In just 24 sessions of one hour each, learn how to build powerful applications for today's hottest handheld devices: the iPhone and iPad! Using this book's straightforward, step-by-step approach, you'll master every skill and technology you need, from setting up your iOS development environment to building great user interfaces, sensing motion to writing multitasking applications. Each lesson builds on what you've already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common iOS development tasks. Quizzes and Exercises help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know? tips show you easier ways to perform tasks. Watch Out! cautions alert you to possible problems and give you advice on how to avoid them. John Ray is currently serving as the Director of the Office of Research Information Systems at the Ohio State University. His many books include Using TCP/IP: Special Edition, Maximum Mac OS X Security, Mac OS X Unleashed, Teach Yourself Dreamweaver MX in 21 Days, and Sams Teach Yourself iOS 7 Application Development in 24 Hours. Printed in full color-figures and code appear as they do in Xcode Covers iOS 8 and up Learn to navigate the Xcode 6.x development environment Prepare your system and iDevice for efficient development Get started quickly with Apple's new language: Swift Test code using the new iOS Playground Understand the Model-View-Controller (MVC) development pattern Visually design and code interfaces using Xcode Storyboards, Segues, Exits, Image Slicing, and the iOS Object Library Use Auto Layout and Size Classes to adapt to different screen sizes and orientations Build advanced UIs with Tables, Split Views, Navigation Controllers, and more Read and write preferences and data, and create System Settings plug-ins Use the iOS media playback and recording capabilities Take photos and manipulate graphics with Core Image Sense motion, orientation, and location with the accelerometer, gyroscope, and GPS Integrate online services using Twitter, Facebook, Email, Web Views, and Apple Maps Create universal applications that run on both the iPhone and iPad Write background-aware multitasking applications Trace, debug, and monitor your applications as they run

If you want to learn computer programming but don’t know which language to start with, this is the book for you! In just 24 lessons of one hour or less, any beginner can get a solid introduction to the basics of computer programming and learn to write simple programs for any platform—Windows, Mac, and mobile. Using a straightforward, step-by-step approach, each lesson in this carefully crafted tutorial builds upon the previous one, allowing you to learn all the essentials of programming from the ground up. Once you’ve mastered these fundamentals, the book introduces you to several of the most popular computer programming languages today and helps you decide which language to learn first. Step-by-step instructions carefully walk you through the most common programming tasks. Practical, hands-on examples show you how to apply what you learn to create your own programs Quizzes and exercises at the end of each lesson help you test your knowledge and stretch your skills Learn how to… Set up your programming toolkit with widely available free downloads Create simple programs in JavaScript that get user input and display output Process numbers and words Use variables to hold information Merge strings together Tell programs how to make decisions Create algorithms to count data values and accumulate totals Use JavaScript to create interactive web pages Improve a user’s experience with cookies Debug your programs before going live Structure programs for readability Apply your programming skills to more advanced languages like Java Use object-oriented programming techniques Choose between other popular languages like C and C++, HTML5 and CSS3, Visual Basic and .NET, and PHP Distribute and sell your programs