802.11g MAC Functions
=========================


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        **What are MAC Functions in IEEE 802.11g?**

        MAC functions manage frame delimiting, addressing, error detection, and reliable data delivery in wireless networks.

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        **How does the MAC layer ensure reliable communication?**

        It uses acknowledgments (ACK), retransmissions, and error detection mechanisms like CRC.

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        **What role does CSMA/CA play in MAC Functions?**

        CSMA/CA coordinates medium access by sensing the channel and avoiding collisions during transmissions.

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        **Does 802.11g MAC support fragmentation?**

        Yes, MAC fragmentation breaks large frames into smaller ones to improve transmission success rates.

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        **How does the MAC layer handle addressing?**

        It uses MAC addresses in frame headers to identify source and destination devices.

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        **What is the sequence control function in MAC?**

        It manages packet ordering and duplicate detection for reliable data transfer.

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        **How does the MAC layer support power management?**

        It signals power save modes allowing devices to sleep and wake for data delivery.

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        **Are security features part of MAC functions?**

        Yes, MAC layer supports encryption and authentication protocols for secure communication.

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        **How does MAC layer interact with the physical layer?**

        MAC controls frame transmission timing and error handling based on PHY feedback.

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        **What challenges do MAC functions address in wireless networks?**

        They handle issues like interference, collisions, and variable signal quality to maintain data integrity.


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        Topics in this section,

                * :ref:`Reference links <mac_functions_g_step17>`


.. _mac_functions_g_step17:

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    .. tab-item:: Reference links

       * Reference links