第3题: [单项选择]使用磁卡进行的身份认证属于( )。 A. 口令机制 B. 数字签名 C. 个人特征 D. 个人持证 参考答案:D 答案解析:[解析] 身份认证大致可分为3种:一是个人知道的某种事物,如口令、账号等;二是个人持证(也称令牌),如图章、标志、钥匙、护照、磁卡和智能卡等;三是个人特征,如指纹、声纹、手形、视网膜、血型、基因、笔迹
第12题: [简答题]free morphemes 参考答案:Free morphemes are independent of other morphemes and have complete meanings in themselves and can be used as free grammatical units in sentences. They are identical with root words.
第17题: [简答题]In the context of company law, explain what a derivative action is, and when and how a shareholder can bring such an action under the Companies Act (Cap 50). (10 marks) 参考答案:[*]
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