Transcript CCNA 1 Chapter 2 Networking Fundamentals

CCNA 1 v3.1 Module 2
Networking Fundamentals
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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.
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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!
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Objectives
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Data Networks
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Network History
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Network History continued
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Networking Devices
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Network Topology
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Network Protocols
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Local-area Networks (LANs)
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Wide-area Networks (WANs)
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Metropolitan-Area Network (MANs)
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Storage-Area Networks (SANS)
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Virtual Private Networks (VPNs)
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Benefits of VPNs
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Intranet and Extranet VPN
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Importance of Bandwidth
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Bandwidth Pipe Analogy
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Bandwidth Highway Analogy
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Bandwidth Measurements
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Bandwidth Limitations
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Bandwidth Throughput
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Digital Transfer Calculation
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Digital versus Analog
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Using Layers to Analyze Problems
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Using Layers to Describe Data Communication
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OSI Model
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OSI Layers
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OSI Layers
•Provides connectivity and path selection between two host
•Provides Logical address
•No error correction, best effort delivery.
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OSI Layers
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OSI Layers
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OSI Layers
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OSI Layers
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OSI Layers
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Peer-to-Peer Communication
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TCP/IP Model
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Encapsulation
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Names for Data at Each Layer
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Summary
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