The Internet is an open system, and most information is available to everyone．It is very important to add ______ to existing sys

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问题 The Internet is an open system, and most information is available to everyone．It is very important to add ______ to existing system for protecting the secret information.

选项 A、Web pages
B、modem
C、security
D、network

答案C

解析译文的含义是：因特网是开放式系统，多数信息对每个人都可用。为了保护秘密信息，对现有的系统增加( )是非常重要的。选项A～D的含义分别是网页、调制解调器、安全性和网络。

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本试题收录于：程序员上午基础知识考试题库软考初级分类

程序员上午基础知识考试

软考初级

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The Internet is an open system, and most information is available to everyone．It is very important to add ______ to existing sys

程序员上午基础知识考试

软考初级

A firewall is a(72)system designed to(73)an organization’s network aga-inst threats.

某公司为便于远程员工在家里访问公司的一些数据，允许员工通过Internet访问公司的FTP服务器，如图3-4所示。为了能够方便地实现这一目标，决定在客户机与FTP服务器之间采用(52)协议，在传输层对数据进行加密。

A high-level language is an artificial language with which we can write various(66)

(71) is used to ensure the confidentiality, integrity and authenticity of the two end points in the private network.(72), an ap

WAP uses(71), which includes the Handheld Device Markup Language (HDML) developed by Phone.com. WML can also trace its roots to

There are several applications called Web(73)that make it easy to access the World Wide Web. two of the most popular being Netsc

Packetswitchingisamethodofslicing(71)messagesintoparcelscalled"packets,"sendingthepacketsalongdifferentcommunic

Eachprogrammoduleiscompiledseparatelyandtheresulting(71)filesarelinkedtogethertomakeanexecutableapplication.

(74)is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domai

ADOBEILLUSTRATOR中具有不同填充色和边线色的两个圆形重叠执行"路径寻找器"中的拆分命令后,下列描述正确的是：

生产由________组成()

下列四项中，不合法的IP地址是______。

采血完毕后血液处理及保存程序正确的是

上消化道出血量至少为多少时可出现出血性休克

关于肾上腺的叙述，错误的是

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(74)is　a　network　layer　device　that　supports　multiple　LAN　interfaces　and　segments　LANs　into　smaller　collision　and　broadcast　domai