Why does the man go to see his professor?
A.He wants to withdraw from the class.
B.He needs to ask the professor a question.
C.His professor promised to give him a tape.
D.His professor asked him to come to the office.
第8题
A.主要是为了通过这两道安全屏障强化企业网络安全
B.防火墙并不能防范全部的可能攻击,需要IDS来弥补它的不足
C.其实两者功能是重复的,之所以采用IDS,主要是强化一下安全
D.两者互为补充,一起承担起企业网络安全防范的大任
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