1© 2004, Cisco Systems, Inc. All rights reserved.

CCNA 1 v3.1 Module 3 Networking Media

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Purpose of This PowerPoint

• This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1.

• It was created to give instructors a PowerPoint to take and modify as their own.

• This PowerPoint is:

NOT a study guide for the module final assessment.

NOT a study guide for the CCNA certification exam.

• Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

333© 2004, Cisco Systems, Inc. All rights reserved.

To Locate Instructional Resource Materials on Academy Connection:

• Go to the Community FTP Center to locate materials created by the instructor community

• Go to the Tools section

• Go to the Alpha Preview section

• Go to the Community link under Resources

• See the resources available on the Class home page for classes you are offering

• Search http://www.cisco.com

• Contact your parent academy!

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Objectives

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Atoms and Electrons

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Atoms and Electrons

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Atoms and Electrons

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Atoms and Electrons

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Voltage

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Resistance and Impedance

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Current Flow

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Circuits

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Circuits

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Cable Specifications

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Coaxial Cable

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Shielded Twisted-Pair Cable

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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The Electromagnetic Spectrum

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Ray Model of Light

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Ray Model of Light

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Reflection

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Reflection

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Refraction

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Total Internal Reflection