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SET是Secure Electronic Transaction,即安全电子交易的英文缩写。它是一个在互联网上实现安全电子交易的协议标准,它是()
A.会话层的网络标准协议
B.规定了交易各方进行交易结算时的具体流程和安全控制策略
C.SET通过使用公共密钥和对称密钥方式加密保证了数据的保密性
D.SET通过使用数字签名来确定数据是否被篡改、保证数据的一致性和完整性,并可以完成交易防抵赖
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A.会话层的网络标准协议
B.规定了交易各方进行交易结算时的具体流程和安全控制策略
C.SET通过使用公共密钥和对称密钥方式加密保证了数据的保密性
D.SET通过使用数字签名来确定数据是否被篡改、保证数据的一致性和完整性,并可以完成交易防抵赖
A.80
B.119
C.443
D.433
M: I don't think that's secure enough. I can just drop by your class later.
What do we learn from the conversation'?
(19)
A.He also has classes to attend this evening.
B.He does not mist his neighbor.
C.He plans to pay the woman a visit.
D.He will give the keys to the woman in person.
A.The replacement of the harpsichord by the piano.
B.The development of electronic musical instruments.
C.The relative costs of different types of musical instruments.
D.The pertormance of classical music on synthesizers.
Once they had fame,fortune,secure futures;______ (如今只剩下贫穷).
A.encourage
B.arouse
C.attract
D.secure
This country relies heavily on its oil ___________ to secure its international influence.
A.legislation
B.superiority
C.capability
D.prestige
A.assure
B.sure
C.ensure
D.secure