5: DataLink Layer5-1 CSMA (Carrier Sense Multiple Access) CSMA: listen before transmit: If channel sensed idle: transmit entire frame r If channel sensed.
Local Area Networks: Ethernet, Switching COS 461: Computer Networks Spring 2011 Mike Freedman
Introduction1-1 Data Communications and Computer Networks Chapter 5 CS 3830 Lecture 26 Omar Meqdadi Department of Computer Science and Software Engineering.
MAC Layer Security
