Day 20: More Networking Fundamentals

A+ 220-701 Exam Objectives

Objective 4.2: Categorize network cables and connectors and their implementations

Objective 4.3: Compare and contrast the different network types

Key Points

Today continues the networking discussion by comparing the Open Systems Interconnection (OSI) reference model (covered yesterday) with the TCP/IP model. You also review network protocols and the organizations that standardize various aspects of networking so that devices and technologies from different vendors can work together.

Network Protocols

The soup du jour is alphabet with a sprig of layered protocol. Fortunately, in many cases you really need only to focus on the definitions rather than what the abbreviations stand for. ...

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