Download - Ccna1v3 Mod02 Class
Transcript
CCNA 1 v3.1 Module 2 Networking Fundamentals
Nasir Majeed
Objectives
Networking Devices
Network Topology
Network Protocols
Local-area Networks (LANs)
Wide-area Networks (WANs)
Importance of Bandwidth
Bandwidth Pipe Analogy
Bandwidth Measurements
Bandwidth Limitations
Bandwidth Throughput
Digital Transfer Calculation
Digital versus Analog
Using Layers to Describe Data Communication
OSI Model
OSI Layers
OSI Layers
•Provides connectivity and path selection between two host
•Provides Logical address
•No error correction, best effort delivery.
OSI Layers
OSI Layers
OSI Layers
OSI Layers
OSI Layers
Peer-to-Peer Communication
TCP/IP Model
Encapsulation
Names for Data at Each Layer
Summary