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问题 单项选择题

“中国文武制度，事事远出西人之上，独火器不能及”，所以“中国欲自强，则莫如学习外国利器……师其法而不必尽用其道”。这主张（）。

A.强化了“华贵夷贱”的思想

B.制约了洋务运动的持续发展

C.强调学习西方政治法律制度

D.开启了西学渐入中国新时代

答案

参考答案：B

解析：“中国文武制度，事事远出西人之上，独火器不能及”说明A错误；“师其法而不必尽用其道”说明C错误；“开眼看世界”开启了西学渐入中国新时代，所以D错误。答案是B。

选择题

多项式3a4-2a2+9是（　　）

A．三次三项式

B．三次四项式

C．四次三项式

D．四次四项式
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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．

2（）

A．IPSec

B．SSL

C．L2TP

D．The Internet Key Exchange
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