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