1. 1 © 2004, Cisco Systems, Inc. All rights reserved. CCNA 1 v3.1 Module 3 Networking Media

2. 222 © 2004, Cisco Systems, Inc. All rights reserved. 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.

3. 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.comhttp://www.cisco.com Contact your parent academy!

4. 444 © 2004, Cisco Systems, Inc. All rights reserved. Objectives

5. 555 © 2004, Cisco Systems, Inc. All rights reserved. Atoms and Electrons

6. 666 © 2004, Cisco Systems, Inc. All rights reserved. Atoms and Electrons

7. 777 © 2004, Cisco Systems, Inc. All rights reserved. Atoms and Electrons

8. 888 © 2004, Cisco Systems, Inc. All rights reserved. Atoms and Electrons

9. 999 © 2004, Cisco Systems, Inc. All rights reserved. Voltage

10. 10 © 2004, Cisco Systems, Inc. All rights reserved. Resistance and Impedance

11. 11 © 2004, Cisco Systems, Inc. All rights reserved. Current Flow

12. 12 © 2004, Cisco Systems, Inc. All rights reserved. Circuits

13. 13 © 2004, Cisco Systems, Inc. All rights reserved. Circuits

14. 14 © 2004, Cisco Systems, Inc. All rights reserved. Cable Specifications

15. 15 © 2004, Cisco Systems, Inc. All rights reserved. Coaxial Cable

16. 16 © 2004, Cisco Systems, Inc. All rights reserved. Shielded Twisted-Pair Cable

17. 17 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

18. 18 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

19. 19 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

20. 20 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

21. 21 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

22. 22 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

23. 23 © 2004, Cisco Systems, Inc. All rights reserved. Unshielded Twisted Pair (UTP)

24. 24 © 2004, Cisco Systems, Inc. All rights reserved. The Electromagnetic Spectrum

25. 25 © 2004, Cisco Systems, Inc. All rights reserved. Ray Model of Light

26. 26 © 2004, Cisco Systems, Inc. All rights reserved. Ray Model of Light

27. 27 © 2004, Cisco Systems, Inc. All rights reserved. Reflection

28. 28 © 2004, Cisco Systems, Inc. All rights reserved. Reflection

29. 29 © 2004, Cisco Systems, Inc. All rights reserved. Refraction

30. 30 © 2004, Cisco Systems, Inc. All rights reserved. Total Internal Reflection