Download - Ccna 1 Mod 2 Ppt
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CCNA 1 v3.1 Module 2 Networking Fundamentals
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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 (Know this stuff)
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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 (Important to know)
Programmers
Do
Not
Throw
Sausage
Pizza
Away
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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
Data
Segments
Packet
Frame
Bits
Data
Data
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Names for Data at Each Layer
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Summary