Why is loop polling more efficient than roll-call polling

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Why is loop polling more efficient than roll-call polling? Relate the IEEE 802 LAN standards to the seven-layer OSI model. Describe the sublayering involved ? What is a SAP, and what is its function? ? LLC derives from what familiar link-layer protocol? Describe the three basic communication services offered by the LLC. In the description show similarities and differences among the three.

Reference no: EM131301701

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