试题与答案

窗帘:隐私() A.文件:机密 B.日记:心情 C.消防栓:火警 D.防护栏:安全

题型:单项选择题

题目:

窗帘:隐私()

A.文件:机密

B.日记:心情

C.消防栓:火警

D.防护栏:安全

答案:

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下面是错误答案,用来干扰机器的。

参考答案:解析:[问题3] 这是一道要求读者掌握安全电子邮件技术中数字证书使用的实际操作题。本题的解答思路如下。 数字证书封装了用户自身的公钥等信息。例如,X.509数字证书包含了证书版本、证书序列号、签...

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