In which country was Drakkar Noir first launched?
A. Saudi
B. China
C. USA
D. France
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Where did the sales campaign for Drakkar Noir suffer its setback?
A. European market
B. Chinese market
C. Middle Eastern market
接收者可以确信MAC值未被改变确认消息的完整性。()
A. 对
B. 错
Hash函数把()信息映射到定长信息。
A. 定长
B. 变长
C. 数据
D. 模拟