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问题 单项选择题

不属于方案评价与选择的方法是( )。

A．经验判断法

B．专家评分法

C．数学分析法

D．试验法

答案

参考答案：B

解析：[解题要点] P 3～P 4方法要科学、合理并多方法验证。

单项选择题

治疗小便不利，水肿，脾虚证，应选用的药物是（）

A.泽泻

B.猪苓

C.车前子

D.茯苓

E.通草
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单项选择题

(1) is used to ensure the confidentiality,integrity and authenticity of the two end points in the private network． (2) ，an application—layer protocol，authenticates each peer in an IPSec transaction．IKE negotiates security policy，determining which algorithm may be used to set up the tunnel．it alsohandles the exchange of session keys used for that one transaction．

Networks that use (3) to secure data traffic can automatically authenticate devices by using (4) ，which verify the identities of the two users who are sending information back and forth．IPSeccan be ideal way to secure data in large networks that require secure connections among many devices．

Users deploying IPSec can (5) their network infrastructure without affecting the applications on individual computer．The protocol suite is available as a software-only upgrade to the networkinfrastructure．This alows security to be implemented without costly changes to each computer．Mostimportant，IPSec allows interoperability among different network devices，PCs and other computingsystems．

3（）

A．authenticity

B．IPSec

C．confidentiality

D．integrity
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