【单选题】【消耗次数:1】
防火墙可以防范( )。
恶意知情者的破坏
所有病毒
停电
外部黑客
参考答案:
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相关题目
【判断题】 防火墙可以防范病毒。
①  正确
②  错误
【单选题】 防火墙可以分为( )。
①  内防火墙和外防火墙
②  包过滤防火墙和代理防火墙
③  内防火墙包过滤防火墙和
④  外防火墙和代理防火墙
【单选题】 防火墙的设置主要是为了防范: ( )
①  黑客攻击
②  网络病毒
③  火灾
④  意外伤害
【判断题】 防火墙的缺点之一是不能防范不经由防火墙的外界攻击。
①  正确
②  错误
【判断题】 防火墙是防止黑客入侵的最有效的办法。
①  正确
②  错误
【多选题】 按照防火墙对数据的处理方法,可将防火墙分为( )两类。
①  数据包过滤防火墙
②  DNS防火墙
③  代理防火墙
④  网络服务防火墙
【判断题】 防火墙不能防范来自于网络内部的攻击
①  正确
②  错误
【判断题】 防火墙可以阻止攻击者对于木马的控制。
①  正确
②  错误
【单选题】 防火墙是用于阻止来自于网络外部的恶意网络攻击以保护内部网络正常运行的( )。
①  软件
②  硬件
③  软件和硬件的联合体
【单选题】 防火墙位于( )。
①  网络外部
②  网络外部和内部之间
③  网络内部
随机题目
【单选题】 After the student was praised for what he had done, he said:“ I______ even better under harder conditions. ”
①  had done
②  did
③  would have done
④  would do
【单选题】 The old man is upset in fact today, but he looks as if he______ as happy as before.
①  will be
②  were
③  had been
④  is
【单选题】 Thechildrenwenttheretowatchtheirontower________.
①  to erect
②  erecting
③  be erected
④  being erected
【单选题】 The Bakers arrived last night. If they’d only let us know earlier,______at the airport.
①  we’d meet them
②  we’ll meet them
③  we’d have met them
④  we’ve met them
【单选题】 It is said that people can ______ or deposit money from bank through facial recognition, ie, they don’t have to use a bank card.
①  snatch
②  rob
③  draw
④  pull
【单选题】 In the month, the man earned as much as, if______ than $50,000.
①  no more
②  no much
③  not more
④  not much
【单选题】 —Why didn’t you come to join her party? —I______, but I had to look after my ill mother.
①  would have
②  should
③  would do
④  was going to have
【单选题】 You’ve got a divorce? Why did he decide to______ you after seven years together?
①  keep company with
②  part company with
③  keep in touch with
④  stay in touch with
【单选题】 After filling out this form, please don’t forget to______ your name.
①  sign
②  sigh
③  scribble
④  jot
【单选题】 ______, the experiment will be successful
①  If carefully doing
②  If did carefully
③  If carefully done
④  If doing carefully