This document covers networking media such as coaxial cable, shielded twisted-pair cable, unshielded twisted-pair cable, fiber optics, and wireless networking. It discusses topics such as resistance, impedance, current flow, cable specifications, total internal reflection in fiber optics, and wireless LAN standards.

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

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

3. 333© 2004, Cisco Systems, Inc. All rights reserved.
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Resistance and Impedance

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

5. 555© 2004, Cisco Systems, Inc. All rights reserved.
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Circuits

6. 666© 2004, Cisco Systems, Inc. All rights reserved.
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Cable Specifications

7. 777© 2004, Cisco Systems, Inc. All rights reserved.
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Coaxial Cable

8. 888© 2004, Cisco Systems, Inc. All rights reserved.
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Shielded Twisted-Pair Cable

9. 999© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

10. 101010© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

11. 111111© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

12. 121212© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

13. 131313© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

14. 141414© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

15. 151515© 2004, Cisco Systems, Inc. All rights reserved.
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Unshielded Twisted Pair (UTP)

16. 161616© 2004, Cisco Systems, Inc. All rights reserved.
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The Electromagnetic Spectrum

17. 171717© 2004, Cisco Systems, Inc. All rights reserved.
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Ray Model of Light

18. 181818© 2004, Cisco Systems, Inc. All rights reserved.
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Reflection

19. 191919© 2004, Cisco Systems, Inc. All rights reserved.
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Reflection

20. 202020© 2004, Cisco Systems, Inc. All rights reserved.
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Refraction

21. 212121© 2004, Cisco Systems, Inc. All rights reserved.
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Total Internal Reflection

22. 222222© 2004, Cisco Systems, Inc. All rights reserved.
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Total Internal Reflection

23. 232323© 2004, Cisco Systems, Inc. All rights reserved.
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Total Internal Reflection

24. 242424© 2004, Cisco Systems, Inc. All rights reserved.
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Multimode Fiber

25. 252525© 2004, Cisco Systems, Inc. All rights reserved.
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Multimode Fiber

26. 262626© 2004, Cisco Systems, Inc. All rights reserved.
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Multimode Fiber

27. 272727© 2004, Cisco Systems, Inc. All rights reserved.
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Multimode Fiber

28. 282828© 2004, Cisco Systems, Inc. All rights reserved.
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Multimode Fiber

29. 292929© 2004, Cisco Systems, Inc. All rights reserved.
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Multimode Fiber

30. 303030© 2004, Cisco Systems, Inc. All rights reserved.
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Single-mode Fiber

31. 313131© 2004, Cisco Systems, Inc. All rights reserved.
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Optical Media

32. 323232© 2004, Cisco Systems, Inc. All rights reserved.
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Signals and Noise in Optical Fibers

33. 333333© 2004, Cisco Systems, Inc. All rights reserved.
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Scattering

34. 343434© 2004, Cisco Systems, Inc. All rights reserved.
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Bending

35. 353535© 2004, Cisco Systems, Inc. All rights reserved.
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Fiber End Face Finishes

36. 363636© 2004, Cisco Systems, Inc. All rights reserved.
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Fiber End Face Polishing Techniques

37. 373737© 2004, Cisco Systems, Inc. All rights reserved.
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Splicing

38. 383838© 2004, Cisco Systems, Inc. All rights reserved.
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Calibrated Light Sources and Light Meter

39. 393939© 2004, Cisco Systems, Inc. All rights reserved.
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Wireless LAN Standards

40. 404040© 2004, Cisco Systems, Inc. All rights reserved.
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Internal Wireless NIC for Desktop or Server

41. 414141© 2004, Cisco Systems, Inc. All rights reserved.
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PCMCIA NIC for Laptop

42. 424242© 2004, Cisco Systems, Inc. All rights reserved.
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External USB Wireless NIC

43. 434343© 2004, Cisco Systems, Inc. All rights reserved.
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Access Point

44. 444444© 2004, Cisco Systems, Inc. All rights reserved.
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Wireless LAN

45. 454545© 2004, Cisco Systems, Inc. All rights reserved.
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Roaming

46. 464646© 2004, Cisco Systems, Inc. All rights reserved.
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IEEE 802.3 Wireless Frame Types

47. 474747© 2004, Cisco Systems, Inc. All rights reserved.
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Adaptive Frame Types

48. 484848© 2004, Cisco Systems, Inc. All rights reserved.
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Authentication and Association Types

49. 494949© 2004, Cisco Systems, Inc. All rights reserved.
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Modulation

50. 505050© 2004, Cisco Systems, Inc. All rights reserved.
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Omni Directional Antenna

51. 515151© 2004, Cisco Systems, Inc. All rights reserved.
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Radio Wave

52. 525252© 2004, Cisco Systems, Inc. All rights reserved.
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Wireless Security