Chapter 2

Network Protocols and Standards

CERTIFICATION OBJECTIVES

2.01   Network Protocols

2.02   The OSI Model

2.03   802 Project Standards

       Two-Minute Drill

Q&A  Self Test

CERTIFICATION OBJECTIVE 2.01

Network Protocols

Understanding the concepts of networking protocols is critical to being able to troubleshoot communication problems in networking environments. This section will introduce you to four common network protocols found in networking environments and the difference between routable and nonroutable protocols.

A network protocol is a language that is used by systems that wish to communicate with one another. Let’s look at an example of a communication problem that could occur when two persons who want to talk are not speaking ...

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