1 © 2004, Cisco Systems, Inc. All rights reserved. CCNA 1 v3.1 Module 2 Networking Fundamentals

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.

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 Contact your parent academy!

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

555 © 2004, Cisco Systems, Inc. All rights reserved. Data Networks

666 © 2004, Cisco Systems, Inc. All rights reserved. Network History

777 © 2004, Cisco Systems, Inc. All rights reserved. Network History continued

888 © 2004, Cisco Systems, Inc. All rights reserved. Networking Devices

999 © 2004, Cisco Systems, Inc. All rights reserved. Network Topology

10 © 2004, Cisco Systems, Inc. All rights reserved. Network Protocols

11 © 2004, Cisco Systems, Inc. All rights reserved. Local-area Networks (LANs)

12 © 2004, Cisco Systems, Inc. All rights reserved. Wide-area Networks (WANs)

13 © 2004, Cisco Systems, Inc. All rights reserved. Metropolitan-Area Network (MANs)

14 © 2004, Cisco Systems, Inc. All rights reserved. Storage-Area Networks (SANS)

15 © 2004, Cisco Systems, Inc. All rights reserved. Virtual Private Networks (VPNs)

16 © 2004, Cisco Systems, Inc. All rights reserved. Benefits of VPNs

17 © 2004, Cisco Systems, Inc. All rights reserved. Intranet and Extranet VPN

18 © 2004, Cisco Systems, Inc. All rights reserved. Importance of Bandwidth

19 © 2004, Cisco Systems, Inc. All rights reserved. Bandwidth Pipe Analogy

20 © 2004, Cisco Systems, Inc. All rights reserved. Bandwidth Highway Analogy

21 © 2004, Cisco Systems, Inc. All rights reserved. Bandwidth Measurements

22 © 2004, Cisco Systems, Inc. All rights reserved. Bandwidth Limitations

23 © 2004, Cisco Systems, Inc. All rights reserved. Bandwidth Throughput

24 © 2004, Cisco Systems, Inc. All rights reserved. Digital Transfer Calculation

25 © 2004, Cisco Systems, Inc. All rights reserved. Digital versus Analog

26 © 2004, Cisco Systems, Inc. All rights reserved. Using Layers to Analyze Problems

27 © 2004, Cisco Systems, Inc. All rights reserved. Using Layers to Describe Data Communication

28 © 2004, Cisco Systems, Inc. All rights reserved. OSI Model

29 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers

30 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers Provides connectivity and path selection between two host Provides Logical address No error correction, best effort delivery.

31 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers

32 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers

33 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers

34 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers

35 © 2004, Cisco Systems, Inc. All rights reserved. OSI Layers

36 © 2004, Cisco Systems, Inc. All rights reserved. Peer-to-Peer Communication

37 © 2004, Cisco Systems, Inc. All rights reserved. TCP/IP Model

38 © 2004, Cisco Systems, Inc. All rights reserved. Encapsulation

39 © 2004, Cisco Systems, Inc. All rights reserved. Names for Data at Each Layer

40 © 2004, Cisco Systems, Inc. All rights reserved. Summary