This sample chapter from the only authorized companion guide for the Cisco Networking Academy Program introduces newcomers to the basic concepts and components of modern computer networks.

Basic concepts and techniques of computer network security; data encryption algorithms; public-key cryptography and key management; data authentication; network security protocols in practice; ...

Its founders referred to participation on the network as computing ... who had to pay for computer time on top of tuition. The accessibility, along with the ease of BASIC, engendered tremendous ...

Required text: Computer Networks: A Systems Approach ... as well as the motivation for a layered network architecture. • Explain basic physical layer signaling techniques to communicate digital bits ...

After completing foundation courses in mathematics, basic computer science and natural science, you will progress to more advanced studies in programming, networking, database systems and other topics ...