Networking Essentials: A CompTIA Network+ N10-008 Textbook, 6th Edition

3CHAPTER

Physical Layer Cabling: Fiber Optics

Chapter Outline

3-1 Introduction

3-2 The Nature of Light

3-3 Fiber Attenuation and Dispersion

3-4 Optical Components

3-5 Optical Networking

3-6 Safety

3-7 Troubleshooting Fiber Optics: The OTDR

Summary

Questions and Problems

Objectives

• Describe the advantages of glass fiber over copper conductors

• Describe the differences in how light travels in single-mode fiber and multimode fiber

• Define the terms attenuation and dispersion as they relate to fiber-optic cabling

• Describe the components of a fiber-optic system

• Describe the issues involved in optical networking, including fiber-to-the-business and fiber-to-the-home

• Describe the new networking developments associated with optical Ethernet

• Understand ...