2. 计算机
  3. Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by

Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by

admin2009-02-15  69
问题 Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by keeping(67)data from entering or exiting your system.
   Hackers do not just target national security organizations for(68): They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to(69)in the latest denial-of-service attack on the Internet. Now that "always-on" broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data. Firewalls can block(70)attacks and protect your PC from outside threats.
选项 A、malicious
B、friendly
C、neighborly
D、goodwill
答案A
解析 个人防火墙技术通过限制未经允许的数据进出你的系统以防止入侵者通过互联网或另一网络访问你PC机上的数据。
   黑客们网络攻击的目标不只是对准国家的安全机构。他们有可能要你的纳税单、网络口令或者银行账号。你也不想要联邦调查局来踢你的家门，因为有人盗用了你的PC机参与最新的一次互联网拒绝服务攻击。由于诸如电缆调制解调器和(电话)数字用户线实现的“始终在线”连接越来越流行，家庭用户也有风险。幸运的是你也能保护自己的数据。防火墙能阻断恶意攻击，保护你的PC机免受外部威胁。
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