HowmanymessagesdoesinternetKeyExchangeusetonegotiateSAcharacteristicswhenrunninginmainmode?()A.3messagesB.6messagesC.4messagesD.2messagesE.5messages
题目
HowmanymessagesdoesinternetKeyExchangeusetonegotiateSAcharacteristicswhenrunninginmainmode?()
A.3messages
B.6messages
C.4messages
D.2messages
E.5messages
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参考答案和解析
参考答案：B