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CWAP-403 · Question #49
CWAP-403 Question #49: Real Exam Question with Answer & Explanation
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Question
What must occur before an HT STA operating in an EDCA BSS can transmit a data frame over the wireless medium? (Choose 3)
Options
- AIts NAV must be equal to one.
- BThe STA must receive a BlockAck, resetting the NAV to zero.
- CThe appropriate interframe space must expire.
- DThe backoff timer for the AC must equal zero.
- EIts CCA must report that the medium is idle.
- FThe AP must issue the STA a TXOP.
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