1. CCNA1 Version 3
Module 2

2. Objectives

5. Original Microcomputers Had No Way to Share Data

6. SneakerNet Using Floppy Disks to Exchange Data

7. LAN Allows Sharing Within A Local Area

8. LANs Are Not Capable of Handling Large Businesses

9. MANs and WANs Became Necessary

10. Relative Size of LANs and WANs

11. History of Telecommunications and the Internet

14. Networking Devices Workstations

15. Networking Devices NIC Cards

16. Networking Devices PCMCIA Interfaces for Notebooks

17. Networking Devices End User Device Icons

18. Networking Devices Device Icons

19. Networking Devices Repeater

20. Networking Devices Bridges

21. Networking Devices Switches

22. Networking Devices Switches

23. Physical Topologies

25. Teaching Topology

27. Computer Communication Protocols

29. LANs and LAN Devices

31. WANs and WAN Devices

33. MANs

35. Storage Area Network

36. Virtual Private Network (VPN) Connections

38. VPN Technologies

40. Intranets and Extranets

41. Intranet and Extranet VPNs

42. Why is bandwidth Important?

44. Pipe Analogy for Bandwidth

45. Highway Analogy for Bandwidth

46. Units of Bandwidth

47. Maximum Bandwidths and Length Limitations

49. WAN Services and Bandwidths

50. Variables that Might Affect Performance

51. Transfer Time Calculations

52. Data Transfer Calculations

53. Audio Analogy for Bandwidth

54. Analyzing Network in Layers

56. Layer Communications

57. Benefits of the OSI Model

58. OSI Model

59. OSI Model

60. OSI Model

61. OSI Model

62. OSI Model

63. OSI Model

64. OSI Model

65. Peer-to-Peer Communications

66. Peer-to-Peer Communications

67. TCP Model

68. Common TCP/IP Protocols

69. Comparing OSI and TCP Models

70. Data Encapsulation