2. 计算机
  3. Pharming　is　a　scamming　practice　in　which　malicious　code　is　installed　on　a　personal　computer　or　server,　misdirecting　users　to(71)

Pharming　is　a　scamming　practice　in　which　malicious　code　is　installed　on　a　personal　computer　or　server,　misdirecting　users　to(71)

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问题 Pharming　is　a　scamming　practice　in　which　malicious　code　is　installed　on　a　personal　computer　or　server,　misdirecting　users　to(71)Web　sites　without　their　knowledge　or　consent.　　Pharming　has　been　called　"phishing　without　a　lure."
　In　phishing,　the　perpetrator　sends　out　legitimate-(72)E-mails,　appearing　to　come　from　some　of　the　Web’s　most　popular　sites,　in　ah　effort　to　obtain　personal　and　financial　information　from　individual　recipients.　But　in　pharming,　larger　numbers　of　computer　users　can　be(73)because　it　is　not　necessary　to　target　individuals　one　by　one　and　no　conscious　action　is　required　on　the　part　of　the　victim.　In　one　form　of　pharming　attack,　code　sent　in　an　E-mail　modifies　local　host　files　on　a　personal　computer.　The　host　files　convert　URLs　into　the　number　strings　that　the　computer　uses　to　access　Web　sites.　A　computer　with　a　compromised　host　file　will　go　to　the　fake　Web　site　even　if　a　user　types　in　the　correct　Internet　address　or　clicks　on　an　affected(74)entry.　Some　spyware　removal　programs　can　correct　the　corruption,　but　it　frequently　recurs　unless　the　user　changes　browsing(75).
选项 A、few
B、fraudulent
C、normal
D、structured
答案B
解析
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