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CHAPTER 1
1.1 OSI MODEL
5
Computer Science
Undergraduate 2
05/24/2014

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Term
Physical Layer
Definition
Layer of the OSI Model sets standards for sending & receiving electrical signals betweens devices.
Term
Data Link Layer
Definition
Provides a reliable transport of data across a physical link
Term
Media Access Control (MAC) Sublayer
Definition
A sublayer os the Data Link Layer that defines specifications for conrolling access to the media
Term
Logical Link Control (LLC) Sublayer
Definition
Sublayer that provides an interface between the MAC sublayer, and the upper layers protocols.
Term
Transport layer
Definition
Provides a transition between the upper and lower layers. Make them transparrent to each other.
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