Question: 3) a) At low load, pure ALOHA performs better than slotted ALOHA in terms of packet delay - Refute or validate the statement. [2] b)

3) a) "At low load, pure ALOHA performs better than slotted

3) a) "At low load, pure ALOHA performs better than slotted ALOHA in terms of packet delay "- Refute or validate the statement. [2] b) Why does WLANs not use CSMA/CD-give 2 reasons. [4] c) What problems do the MACA protocol address in WLANs? What solution does it provide? [4]

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