In this chapter, we provide an overview of the various topics and concepts surrounding
computer networks and networking. We begin by discussing some of the key issues related
to networking. We follow this discussion with a formal definition of computer networks
along with a description of the various terms related to this definition. As part of this dis-
cussion, we also introduce basic networking vocabulary as well as several key networking
concepts. Much of the material we present here is done so from a general perspective and
is elaborated in subsequent chapters. Understanding this material is important because it
serves as the underlying foundation of the book. An outline of the ...
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