Data Link Layer Functions Pdf Free
If you find The TCP/IP Guide useful, please consider making a small Paypal donation to help the site, using one of the buttons below. Character counting simply notes the count of remaining characters in the frame's header. Cambridge University Press. ISBN1107039886. The data link layer or layer 2 is the second layer of the seven-layer OSI model of computer networking. Adding up the resulting numbers yields 8+ 5+ 12+ 12+ 15= 52, and 5+ 2= 7 calculates the metadata. p.45.
When devices attempt to use a medium simultaneously, frame collisions occur. For example. MAC may refer to the sublayer that determines who is allowed to access the media at any one time (e.g. Data-link frames, as these protocol data units are called, do not cross the boundaries of a local network. Computer Networks (4th ed.). External links. Odom, Wendel (2013).
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