2. 计算机
  3. Without proper safeguards，every part of a network is vulnerable to a security breach or unauthorized activity from(1)，competitor

Without proper safeguards，every part of a network is vulnerable to a security breach or unauthorized activity from(1)，competitor

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问题 Without proper safeguards，every part of a network is vulnerable to a security breach or unauthorized activity from(1)，competitors，or even employees．Many of the organizations that manage their own(2)network security and use the Internet for more than just sending／receiving e-mails experience a network(3)一and more than half of these companies do not even know they were attacked.Smaller (4) are often complacent，having gained a false sense of security．They usually react to the last virus or the most recent defacing of their website．But they are trapped in a situation where they do not have the necessary time and (5) to spend on security．
(5)
选项 A、safeguards
B、businesses
C、experiences
D、resources
答案D
解析 如果缺乏适当的安全措施，网络的每一部分对安全部门来说都是脆弱的，特别是遭受来自闯入者、竞争对手甚至内部雇员的未经授权的侵入活动时。很多管理自己内部网络的组织，大部分都使用互联网，而且不仅仅是发送／接收电子邮件，这些公司都经历过网络攻击，大部分甚至还不知道他们被攻击过。那些小公司还会因为虚假的安全感觉而洋洋自得。他们通常只能对最近发现的计算机病毒或者给他们网站造成的损害做出反应。但是他们已经陷入了没有必要的时间和资源来进行安全防护的困境。
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