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CCENT/CCNA ICND1 Official Exam Certification Guide (CCENT Exam 640-822 and CCNA Exam 640-802), Second Edition by Wendell Odom - CCIE No. 1624

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Chapter 3. Fundamentals of LANs

This chapter covers the following subjects:

An Overview of Modern Ethernet LANs: Provides some perspectives for those who have used Ethernet at the office or school but have not examined the details.

A Brief History of Ethernet: Examines several old options for Ethernet cabling and devices as a point of comparison for today’s cabling, devices, and terminology.

Ethernet UTP Cabling: Explains the options for cabling and cable pinouts.

Improving Performance by Using Switches Instead of Hubs: A more detailed examination of the performance improvements made by using switches instead of older Ethernet hubs.

Ethernet Data-Link Protocols: Explains the meaning and purpose of the fields in the Ethernet header and trailer.

Physical ...

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