TAILIEUCHUNG - Lecture Business data communications and networking (8e): Chapter 3 - Jerry Fitzgerald, Alan Dennis

Chapter 3 - Physical layer. In this chapter, the following content will be discussed: Circuits, digital transmission of digital data, analog transmission of digital data, digital transmission of analog data, analog/digital modems, multiplexing. | Business Data Communications and Networking 8th Edition Jerry Fitzgerald and Alan Dennis John Wiley & Sons, Inc Prof. M. Ulema Manhattan College Computer Information Systems 3 - Copyright 2005 John Wiley & Sons, Inc Chapter 3 Physical Layer 3 - Copyright 2005 John Wiley & Sons, Inc Outline Circuits Configuration, Data Flow, Communication Media Digital Transmission of Digital Data Coding, Transmission Modes, Analog Transmission of Digital Data Modulation, Voice Circuit Capacity, Digital Transmission of Analog Data Pulse Amplitude Modulation, Voice Data Transmission, Instant Messenger Transmitting Voice Data Analog/Digital Modems Multiplexing FDM, TDM, STDM, WDM, Inverse Multiplexing, DSL 3 - Copyright 2005 John Wiley & Sons, Inc Physical Layer - Overview Includes network hardware and circuits Network circuits: physical media (., cables) and special purposes devices (., routers and hubs). Types of Circuits Physical circuits connect devices & include actual wires .

• PR - Truyền thông
• Business data communications
• Data communications networks
• Data communications
• Data communications system
• Physical layer
• Digital transmission
• Data link layer
• Network criteria
• Media access control
• Network models
• Network standards
• Application layer
• Application architectures
• Network and transport layers
• Transport layers
• Local area networks
• Traditional ethernet
• Wireless local area networks
• Wireless LANs
• Backbone networks
• Backbone network architectures
• Circuit switched networks
• Wide area networks
• Network security
• Risk assessment
• Network design
• Traditional network design
• Network management
• Configuration management