2011年程序员考试考前密卷（五）-上午试题

卷面总分：75分
浏览次数：0
测试费用：免费
答案解析：是
练习次数：18次
作答时间：150分钟

试卷简介

2011年程序员考试考前密卷（五）-上午试题：1.2011年程序员考试全真模拟试卷-上午试题，考前复习的好帮手！2. 每道题都配有答案解析，强化复习效果

查看试卷

部分试题预览

●One use of networks is to let sever
- al computers share&n
- bsp;(75) su
- ch as file systems，printers，an
- d tape drives. (75) A．CPU
- B．memory
- C．resources
- D．information
点击查看答案
●By using MP3，
- a 600M-
- byte musi
- c C
- D can be (70) to 50M bytes or less.It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the (71) of the file arrives in the background．And，most important，MP3 music files retain good li
- B．compressed
- C．press
- D．compress (71) A．past
- B．other
- C．rest
- D．host (72) A．voice
点击查看答案
●There
- are many page replacement algorithms in the page management．Most frequently used algorithm is&n
- bsp;(69) ． (69) A．FIFO
- B．LRU
- C．OPT
- D．PPT
点击查看答案
●Which one of these st
- atements a
- bout
- connecting to the Internet is true? (68) . (68) A．The Internet can only be use
- d to link computers with same operating system
- B．The Internet can be used to connect computers with different ISP
- C．You must have a telephone line to connect to the Internet
- D．You must have a modem to connect to the Internet
点击查看答案
●L
- ANs can
- be
- connecte
- d by using bridges，which operate in the (67) . (67) A．data-link layer
- B．Physical layer
- C．network layer
- D．transport layer
点击查看答案
●Lo
- ad factor a of the hash ta
- ble is approximately (66) . (66) A．0．54
- B．0．35
- C．0．28
- D．0．71
点击查看答案
●保证数据的完整性就是 (65) 。
(65)
- A．保证因特网上传送的数据信息不被第三方监视和窃取 &n
- bsp; B．保证因特网上传送的数据信息不被篡改
- C．保证电子商务交易各方的真实身份
- D．保证发送方不能抵赖曾经发送过某数据信息
点击查看答案
●软件的何种性能是指软件只允许被授权用户使用(包括读、写、打印、浏览等)? (64) 。
(64)
- A．安全性 &n
- bsp; B．完备性
- C．可用性
- D．保密性
点击查看答案
●在OSI参考模型的7层中，功能最复杂的一层是 (63) 。
(63)
- A．物理层 &n
- bsp; B．网络层
- C．数据链路层
- D．传输层
点击查看答案
●在下面的IP地址中属于C类地址的是 (62) 。
(62)
- A．141．0．0．0 &n
- bsp; B．3．3．3．3
- C．197．234．111．123
- D．23．34．45．56
点击查看答案