Post on 23-Jan-2016
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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 http://www.cisco.com
• 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
101010© 2004, Cisco Systems, Inc. All rights reserved.
Network Protocols
111111© 2004, Cisco Systems, Inc. All rights reserved.
Local-area Networks (LANs)
121212© 2004, Cisco Systems, Inc. All rights reserved.
Wide-area Networks (WANs)
131313© 2004, Cisco Systems, Inc. All rights reserved.
Metropolitan-Area Network (MANs)
141414© 2004, Cisco Systems, Inc. All rights reserved.
Storage-Area Networks (SANS)
151515© 2004, Cisco Systems, Inc. All rights reserved.
Virtual Private Networks (VPNs)
161616© 2004, Cisco Systems, Inc. All rights reserved.
Benefits of VPNs
171717© 2004, Cisco Systems, Inc. All rights reserved.
Intranet and Extranet VPN
181818© 2004, Cisco Systems, Inc. All rights reserved.
Importance of Bandwidth
191919© 2004, Cisco Systems, Inc. All rights reserved.
Bandwidth Pipe Analogy
202020© 2004, Cisco Systems, Inc. All rights reserved.
Bandwidth Highway Analogy
212121© 2004, Cisco Systems, Inc. All rights reserved.
Bandwidth Measurements
222222© 2004, Cisco Systems, Inc. All rights reserved.
Bandwidth Limitations
232323© 2004, Cisco Systems, Inc. All rights reserved.
Bandwidth Throughput
242424© 2004, Cisco Systems, Inc. All rights reserved.
Digital Transfer Calculation
252525© 2004, Cisco Systems, Inc. All rights reserved.
Digital versus Analog
262626© 2004, Cisco Systems, Inc. All rights reserved.
Using Layers to Analyze Problems
272727© 2004, Cisco Systems, Inc. All rights reserved.
Using Layers to Describe Data Communication
282828© 2004, Cisco Systems, Inc. All rights reserved.
OSI Model
292929© 2004, Cisco Systems, Inc. All rights reserved.
OSI Layers
303030© 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.
313131© 2004, Cisco Systems, Inc. All rights reserved.
OSI Layers
323232© 2004, Cisco Systems, Inc. All rights reserved.
OSI Layers
333333© 2004, Cisco Systems, Inc. All rights reserved.
OSI Layers
343434© 2004, Cisco Systems, Inc. All rights reserved.
OSI Layers
353535© 2004, Cisco Systems, Inc. All rights reserved.
OSI Layers
363636© 2004, Cisco Systems, Inc. All rights reserved.
Peer-to-Peer Communication
373737© 2004, Cisco Systems, Inc. All rights reserved.
TCP/IP Model
383838© 2004, Cisco Systems, Inc. All rights reserved.
Encapsulation
393939© 2004, Cisco Systems, Inc. All rights reserved.
Names for Data at Each Layer
404040© 2004, Cisco Systems, Inc. All rights reserved.
Summary