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Data Link Protocols

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ALSO CALLED: Link Control Protocols
DEFINITION: In the Open Systems Interconnection (OSI) communication reference model, media access management is performed by the Media Access Control (MAC) sublayer of the Data-Link Layer. In an Ethernet network transmission, the function of media access management is to determine whether the transmission medium is free andavailable to send a frame. Media access management receives the frame from the Carrier  … 
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Data Link Protocols White Papers (View All Report Types)
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The OSI Model: Understanding the Seven Layers of Computer Networks
sponsored by Global Knowledge
WHITE PAPER: This paper explains each of the seven layers of OSI model, including their functions and their relationships, also it provide with an overview of the network process, which can act as a framework for understanding the details of computer networking.
Posted: 10 Dec 2008 | Published: 01 Jul 2006

Global Knowledge
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DATA LINK PROTOCOLS DEFINITION (continued): …  Sense Multiple Access/Collision Detect (CSMA/CD) sublayer. It seeks to avoid collision with other traffic on the medium by monitoring the Carrier Sense Signal (CSNS) provided by the Physical Layer Signaling (PLS). Once media access management is satisfied that the transmission medium is available, transmission of the frame to the PLS can begin. If a collision does take place, media access management determines what action should be taken and when to try to send the frame again. Media access management is also responsible for checking a frame to determine its validity before passing it on to … 
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