数字签名技术不能解决的行为是（ ）。
- A.窃听
- B.抵赖
- C.伪造
- D.篡改
正确答案及解析
正确答案
解析
本题考查数字签名技术。
数字签名技术有效解决了电子商务交易活动中信息的完整性和不可抵赖性问题。数字签名技术可以用于用户身份或信息的真实性进行验证，通过数字摘要算法保证数据传输的不可抵赖性、真实性和完整性。即解决了抵赖、伪造和篡改。
综合分析，本题选A，不能解决窃听。
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