"Unique among computer networking texts, the Seventh Edition of the popular Computer Networking: A Top Down Approach builds on the author's long tradition of teaching this complex subject through a layered approach in a "top-down manner." The text works its way from the application layer down toward the physical layer, motivating students by exposing them to important concepts early in their study of networking. Focusing on the Internet and the fundamentally...

Explains what computer networks do and how they work, discussing such topics as LANs, clients and hosts, servers, hubs and routers, protocols, and peer-to-peer networks.

Whether it is a full-time online consulting business or just selling your crafts on the side, starting an Internet enterprise is a very appealing prospect to a budding entrepreneur. This guide takes you from developing an idea to sharing it with the world, whether you just want to make some extra cash or a steady income stream.

"11 books in 1! Startup essentials; Legal and accounting; Web site functionality and aesthetics; Online and operating; Managing security risks; Online marketing basics; Retail to e-tail; E-commerce fundamentals; E-business for the nonprofit; E-commerce trends and market opportunities; E-commerce advanced."--Cover.

Every workplace uses technology -- and every employer needs policies to guide employee behavior and avoid liability. Use this book to make your workplace safe for technology with up-to-date policies on email use, social media, mobile devices, instant messaging, and more. --Publisher.