【判断题】【消耗次数：1】
认证性可用数字签字、身份认证技术来实现。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
下列关于SQL Server 2008身份认证模式的说法，正确的是（ ）。
①
只能在安装过程中设置身份认证模式，安装完成之后不能再修改
②
只能在安装完成后设置身份认证模式，安装过程中不能设置
③
在安装过程中可以设置身份认证模式，安装完成之后还可以再对其进行修改
④
身份认证模式是系统规定好的，在安装过程中及安装完成后都不能进行修改
随机题目
【单选题】
It is clear that the whole world is passing through a social revolution in which a central_____ must be taken by scientists and technologists.
①
process
②
attention
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measure
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part
【单选题】
When I took his temperature, it was two degrees above ___.
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average
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ordinary
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regular
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normal
【单选题】
When I worked as the general manager of the firm, I sometimes had ___ to visit London on business.
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opportunity
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possibility
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occasion
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chance
【单选题】
The manager came over and asked the customer how ___.
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did the quarrel came about
②
the quarrel had come about
③
had the quarrel come about
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had the quarrel come about
【单选题】
___ I saw the computer, I showed great interest in it.
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At first
②
For the first time
③
Until
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【单选题】
He speaks English ___ he speaks his mother tongue.
①
so good as
②
as good as
③
so well as
④
as well as