Which spread spectrum technology does the 802.11b standard define for operation()。 A.IRB.DSSSC.FHSSD.DSSS and FHSSE.IR, FHSS, and DSSS
Which spread spectrum technology does the 802.11b standard define for operation()。
A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR, FHSS, and DSSS
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