●A firewall is a (71) system designed to (72) an organization′s network against threats.(7

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●A firewall is a (71) system designed to (72) an organization′s network against threats.

(71) A.operating

B.programming

C.security

D.data

(72) A.prevent

B.protect

C.examine

D.exploit

参考答案:

C,B【解析】译文:防火墙是一个安全系统,它被设计用来保护某组织的网络不受破坏。

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