单选
● A （75） infected computer may lose its data.
（75）
相关试题
-
● A （75） infected computer may lose its data.
（75）
- A. file
- B. data base
- C. virus
- D. program
-
● We can use the word processor to （74） your documents.
（74）
- A. edit
- B. compute
- C. translate
- D. unload
-
● To document your code can increase program （72） and make program easier to （73）.
（72）
- A. reliability
- B. security
- C. readability
- D. usability （73）
- A. execute
- B. interpret
- C. compile
- D. maintain
-
● As an operating system repeatedly allocates and frees storage space, many physically separated unused areas appear. This phenomenon is called （71） .
（71）
- A. fragmentation
- B. compaction
- C. swapping
- D. paging
-
● 网络用户能进行 QQ聊天， 但在浏览器地址栏中输入 www.ceiaec.org 却不能正常访问该页面，此时应检查 （68）
（68）
- A. 网络物理连接是否正常
- B. DNS 服务器是否正常工作
- C. 默认网关设置是否正确
- D. IP地址设置是否正确
-
● 一个 HTML 文件的起始标记为 （69） 。
（69）
- A.
- B.
</li> <li>C. <html> </li> <li>D. <meta></li> </ul> <div class="button"> <a href="/question/20210416170703900842659840.html" role="button" class="weui-btn weui-btn_default weui-btn_medium">点击查看答案</a> </div> </li> <li> <h3><a href="/question/20210416170703902591684608.html"><p> ● ARP协议的功能是 （70） 。</p><p> （70）</p></a></h3> <ul> <li>A. 由目标的 IP地址求目标的 MAC 地址 </li> <li>B. 由目标的 MAC 地址求目标的 IP地址</li> <li>C. 由源的 IP地址求源的 MAC 地址 </li> <li>D. 由源的 MAC 地址求源的 IP地址</li> </ul> <div class="button"> <a href="/question/20210416170703902591684608.html" role="button" class="weui-btn weui-btn_default weui-btn_medium">点击查看答案</a> </div> </li> <li> <h3><a href="/question/20210416170703895436201984.html"><p>● 安全的 Web 服务器与客户机之间通过 （66） 协议进行通信。</p><p> （66）</p></a></h3> <ul> <li>A. HTTP＋SSL </li> <li>B. Telnet＋SSL </li> <li>C. Telnet＋HTTP </li> <li>D. HTTP＋FTP</li> </ul> <div class="button"> <a href="/question/20210416170703895436201984.html" role="button" class="weui-btn weui-btn_default weui-btn_medium">点击查看答案</a> </div> </li> <li> <h3><a href="/question/20210416170703897222975488.html"><p> ● 下列 Internet 应用中，传输层需要采用 UDP 协议的是 （67） 。</p><p> （67）</p></a></h3> <ul> <li>A. IP 电话 </li> <li>B. 浏览 Web 页面 </li> <li>C. telnet </li> <li>D. 发送电子邮件</li> </ul> <div class="button"> <a href="/question/20210416170703897222975488.html" role="button" class="weui-btn weui-btn_default weui-btn_medium">点击查看答案</a> </div> </li> <li> <h3><a href="/question/20210416170703891833294848.html"><p>● 某一类应用问题中，需要求正比例函数与反比例函数之和的极值。例如，正比例函数 4x 与反比例函数 9/x 之和用 f(x)表示， 即 f(x)=4x + 9/x， （x>0） ,那么函数 f(x) （63） 。 </p><p> （63）</p></a></h3> <ul> <li>A. 没有极小值 </li> <li>B. 在 x=1 时达到极大值</li> <li>C. 在 4x=9/x 时达到极小值 </li> <li>D. 极大值是极小值的 9/4 倍</li> </ul> <div class="button"> <a href="/question/20210416170703891833294848.html" role="button" class="weui-btn weui-btn_default weui-btn_medium">点击查看答案</a> </div> </li> </ol> </div> </div> <div class="weui-panel listpaper"> <div class="weui-panel__hd"><i class="fa fa-yc-square"></i><span>相关试卷</span></div> <div class="weui-panel__bd"> <div class="weui-media-box weui-media-box_small-appmsg"> <div class="weui-cells"> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试试题精选练习（1）" href="/paper/202103161854978527334400.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试试题精选练习（1） </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试模拟练习题之单选题（1）" href="/paper/202103161854980427354112.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试模拟练习题之单选题（1 </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试试题精选练习（2）" href="/paper/202103161854976631508992.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试试题精选练习（2） </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试试题精选练习（3）" href="/paper/202103161854974660186112.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试试题精选练习（3） </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试试题：经济法案例试题精选（1）" href="/paper/202103161854970805620736.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试试题：经济法案例试题精 </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试模拟试题及答案" href="/paper/202103161854972873412608.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试模拟试题及答案 </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试试题及答案：单选练习题精选" href="/paper/202103161854967315959808.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试试题及答案：单选练习题 </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试试题：经济法案例试题精选（2）" href="/paper/202103161854969052401664.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试试题：经济法案例试题精 </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试模拟题及答案练习(1)" href="/paper/202103161854965407551488.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试模拟题及答案练习(1) </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> <a class="weui-cell weui-cell_active weui-cell_access weui-cell_example" target="_blank" title="高级经济师考试模拟题及答案练习(2)" href="/paper/202103161854963654332416.html"> <div class="weui-cell__hd"> <i class="fa fa-file-text-o"></i> </div> <div class="weui-cell__bd weui-cell_primary"> <p>高级经济师考试模拟题及答案练习(2) </p> </div> <div class="weui-cell__ft"> <i>所属类型：模拟考试</i><i>2021-03-22</i> </div> </a> </div> </div> </div> </div> </div> <div class="page__ft"> <div class="weui-footer"> <div class="weui-footer__links"> <a class="weui-footer__link weui-wa-hotarea" target="_blank" href="/article/1.html">关于我们</a> | <a class="weui-footer__link weui-wa-hotarea" target="_blank" href="/article/2.html">服务协议</a> | <a class="weui-footer__link weui-wa-hotarea" target="_blank" href="/article/3.html">免责声明</a> | <a class="weui-footer__link weui-wa-hotarea" target="_blank" href="/article/4.html">隐私政策</a> | <a class="weui-footer__link weui-wa-hotarea" target="_blank" href="/article/6.html">联系我们</a> </div> <div class="weui-footer__text">Copyright © 2020 - <span id="js_copyright_year">2024</span> yqda.net All Rights Reserved.</div> <div class="weui-footer__text"> <a class="weui-footer__text__meta" target="_blank" href="//beian.miit.gov.cn/">津ICP备2023006615号-1</a> </div> </div> </div> </div> <script> var _hmt = _hmt || []; (function () { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?e4ed8219af8a0a10d55a113413e0255e"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </body> </html>