CONNECTING COMPUTERS |
CHAPTER 10 |
ABOUT THIS CHAPTER
This chapter introduces computer networking and some basic issues in network security. We look at the following:
• Digital networking and reliable transmission
• Building and operating a small-scale LAN
• Reliability and error detection
• Network protocols and the protocol stack
• Network applications and resource sharing
10.1 The Network Security Problem
In this chapter, we graduate from isolated computers to the problems of networked computers. This brings us closer to the entire range of modern information security risks and thus increases the complexity of the problem. For now, we narrow our focus to local area networks (LANs).
The modern local network emerged at the same ...
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