20. Which protocol modification is used in wireless LANs, IEEE 802.11?
(A) CSMA/CA
(B) CSMA/CB
(C) CSMA/CC
(D) CSMA/CD
(E) CSMA/CE
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統計: A(49), B(1), C(0), D(15), E(0) #872747
統計: A(49), B(1), C(0), D(15), E(0) #872747