Question: In the MAC protocol used by the IEEE 8 0 2 . 1 1 standard, the sender senses if the channel is idle for _

In the MAC protocol used by the IEEE 802.11 standard, the sender senses if the channel is idle for ___ time, and then transmits the entire frame.
a.
DIFS
b.
SIFS
c.
binary exponential backoff
d.
CD

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