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powe point slides of data communication

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Ch 1 Ch 1 Presentation Transcript

  • Overview of Data Communications and Networking PART I
  • Overview
  • Chapters Chapter 1 Introduction Chapter 2 Network Models
  • Chapter 1 Introduction
  • 1.1 Data Communication Components Data Representation Direction of Data Flow
  • Figure 1.1 Five components of data communication
  • Figure 1.2 Simplex
  • Figure 1.3 Half-duplex
  • Figure 1.4 Full-duplex
  • 1.2 Networks Distributed Processing Network Criteria Physical Structures Categories of Networks
  • Figure 1.5 Point-to-point connection
  • Figure 1.6 Multipoint connection
  • Figure 1.7 Categories of topology
  • Figure 1.8 Fully connected mesh topology (for five devices)
  • Figure 1.9 Star topology
  • Figure 1.10 Bus topology
  • Figure 1.11 Ring topology
  • Figure 1.12 Categories of networks
  • Figure 1.13 LAN
  • Figure 1.13 LAN (Continued)
  • Figure 1.14 MAN
  • Figure 1.15 WAN
  • 1.3 The Internet A Brief History The Internet Today
  • Figure 1.16 Internet today
  • 1.4 Protocols and Standards Protocols Standards Standards Organizations Internet Standards