TAILIEUCHUNG - Lecture Business data communications and networking (8th edition): Chapter 4 - Jerry Fitzgerald, Alan Dennis

Lecture Business data communications and networking (8th edition): Chapter 4 - Data link layer. In this chapter, the following content will be discussed: Media access control, error control, data link protocols, transmission efficiency. | Business Data Communications and Networking 8th Edition Jerry Fitzgerald and Alan Dennis John Wiley & Sons, Inc Prof. M. Ulema Manhattan College Computer Information Systems 4 - Copyright 2005 John Wiley & Sons, Inc Chapter 4 Data Link Layer 4 - Copyright 2005 John Wiley & Sons, Inc Outline Media Access Control Controlled Access, Contention, Relative Performance Error Control Sources of Errors, Error Prevention, Error Detection, Error Correction via Retransmission, Forward Error Correction Data Link Protocols Asynchronous Transmission, Asynchronous File Transfer Protocols, Synchronous Transmission Transmission Efficiency 4 - Copyright 2005 John Wiley & Sons, Inc Data Link Layer - Introduction Responsible for moving messages from one device to another Controls the way messages are sent on media Organizes physical layer bit streams into coherent messages for the network layer Major functions of a data link layer protocol Media Access Control Controlling when computers .

• PR - Truyền thông
• Business data communications
• Data communications networks
• Data communications
• Data communications system
• Data link layer
• Media access control
• Network criteria
• Network models
• Network standards
• Application layer
• Application architectures
• Physical layer
• Digital transmission
• 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