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* * A ) In a DCF ( Distributed Coordination Function ) transmission using the DSSS method, CWmin is 5 and CWmax is 1 2

**A) In a DCF (Distributed Coordination Function) transmission using the DSSS method, CWmin is 5 and CWmax is 127. Calculate the CW (Contention Window) values for the 2nd and 4th unsuccessful transmission attempts of a node. What is the range of values from which the node selects a specific number (Backoff-BO)?
**B) Assume that for IEEE 802.11g, CWmin is 15 and CWmax is 1023. Calculate the CW values for the first two unsuccessful transmission attempts of a station.**

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