高职高专第9章教参(4)

right column.

1. administrator account A. 网购 2. access control list B. 强口令 3. default share C. 独立服务器 4. data-driven attack D. 访问控制列表 5. logon E. 管理员帐号 6. mirror site F. 缺省共享 7. strong password G. 数据驱动攻击 8. hub H. 登录 9. net purchase I. 镜像站点 10. standalone server J. 集线器

1. E 2. D 3. F 4. G 5. H 6. I 7. B 8. J 9.A 10. C

III. Fill in each of the blanks with one of the words or expressions in the box, making changes if necessary:

hack however

DOS here means Denial Of Service (拒绝服务).Its attack consists of ＿＿＿＿＿＿ (1) the server so that it is unable to fulfill requests. This can lead to other users being unable to ＿＿＿(2) it or even to crashing the machine.

Then there is DDOS attack, which is even ＿＿＿＿＿＿ (3) if it is done correctly. DDOS stands for Distributed Denial Of Service (分布式拒绝服务). In this type of attack, many machines, which often are ＿＿＿＿＿＿ (4) or virus infected computers without owners actually knowing it, are used to send the overloading ＿＿＿＿＿ (5). This can obviously ＿＿＿＿＿＿ (6) something much more damaging than a simple DOS attack.

You can defend against a DOS attack by not ＿＿＿＿＿＿ (7) too many requests in short time from one computer. ＿＿＿＿＿ (8), defending against a DDOS attack is very difficult if not impossible. You can simply ＿＿＿＿＿ (9) requests that the server is unable to answer, but

allow overload

handle request

drop dangerous

lead to access

this harms innocent users who are trying to access your server. Or, of course, you can get some kind of super-server that will ＿＿＿＿＿＿ (10) almost any amount of requests, but that takes a lot of money.

1. overloading 2. access 3. more dangerous 4. hacked 5. requests 6. lead to 7. allowing 8. However 9. drop 10. handle

IV. Translate the following sentences from English into Chinese.

1. Macro viruses are embedded in data files, such as files produced by Microsoft Office.

宏病毒嵌入数据文件，如由微软Office软件生成的文件。

2. Sometimes, users’ overconfidence plays an important role in allowing networks to be intruded

upon.

有时，用户的过度自信对网络被入侵负有重要责任。

3. As more and more people become “wired”, an increasing number of people need to

understand the basics of security in a networked world. 随着越来越多的人“触网”，越来越多的人需要了解网络安全常识。

4. 90% of security safeguards rely on the computer user to adhere to good computing practices.

90%安全保护措施依赖于计算机用户遵守正确的操作行为。

5. Remember that information and passwords sent via standard, unencrypted wireless are

especially easy for hackers to intercept.

请记住，用标准、未加密的无线方式传送信息和密码，特别容易被黑客截获。