CPT 307 Online Data Communications Overview of Data Communications & Networking Module 2 Kevin...
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Transcript of CPT 307 Online Data Communications Overview of Data Communications & Networking Module 2 Kevin...
CPT 307 OnlineData Communications
Overview of Data Overview of Data Communications & Communications & NetworkingNetworking
Module 2 Module 2 Kevin Siminski, InstructorKevin Siminski, Instructor
Data Communication
The Effectiveness of Data Comm. depends on:– Delivery– Accuracy– Timeliness
Data Communication (continued)
Components
Data Representation
Direction of Data Flow
Five Components of Data Comm.
Direction of Data Flow - Simplex
Direction of Data Flow- Half-Duplex
Direction of Data Flow- Full-duplex
Networks
Distributed Processing
Network Criteria
Physical Structures
Categories of Networks
Connection Type- Point to Point
Connection Type- Multipoint Connection
Physical Topology
Mesh Topology
Star Topology
Bus Topology
Ring Topology
Hybrid Topology
Combination of all the above network designs
Usually the most common design today Cost effective
Network Categories
Local Area Network (LAN)
LAN (continued)
Metropolitan Area Network (MAN)
Wide Area Network (WAN)
Internet
A Brief History
The Internet Today
The Internet today
Protocols and Standards
Protocols
Standards
Standards Organizations
Internet Standards