DATA LINK LAYER WIRED NETWORKS
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is responsible for Media Access Control.
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It handles communication between upper and lower layers.
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It performs the function of NIC driver software.
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It adds control information to network protocol layer data.
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Detailed explanation-1: -It is responsible for flow control and multiplexing for transmission medium.
Detailed explanation-2: -Media access control regulates how a network is accessed by computer terminals and transmits from one terminal to the other without collision. This is achieved through CSMA/CD, CSMA/CA, demand priority, or Token passing.
Detailed explanation-3: -Functions performed in the MAC sublayer According to IEEE Std 802-2001 section 6.2. 3 “MAC sublayer", the primary functions performed by the MAC layer are: Frame delimiting and recognition. Addressing of destination stations (both as individual stations and as groups of stations)
Detailed explanation-4: -The MAC sub-layer is responsible for framing the data received from the upper layers. It also is responsible for data encapsulation and media access control for the data received.