正确答案: A

PKI 可以解决公钥可信性问题

题目：以下关于公钥基础设施(PKI)的说法中，正确的是()

解析：A

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学习资料的答案和解析：

[单选题]基于网络的入侵检测系统利用()作为数据源。

网络数据包

[单选题]Why is (1) fun?What de lights may itS practitioner expect as his reward? First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, especially things of his own design. Second is the pleasure of making things that are useful to other people. Third is the fascination of fashioning complex puzzle-like objects of interlocking moving parts and watching them work in subtle cycles, playing out the consequences of principles built in from the beginning. Fourth is the joy of always learning, which springs from the (2) nature of the task. In one way or another the problem is ever new, and its solver learns something: sometimes (3), sometimes theoretical, and sometimes both. Finally, there is the delight of working in such a tractable medium. The (4), like the poet, works only slightly removed from pure thought-stuff. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures.Yet the program (5), unlike the poet's words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. It prints results, draws pictures, produces sounds, moves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men.

programming

[单选题]《中华人民共和国计算机信息网络国际联网管理暂行规定》规定：从事国际联网经营活动的和从事非经营活动的接入单位必须具备下列条件：(54)。(1)是依法设立的企业法人或者事业法人

以上全是

解析：解析：此题是《中华人民共和国计算机信息网络国际联网管理暂行规定》中的内容。