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试卷年份2011年下半年
试题题型【单选题】
试题内容

TCP是互联网中的(1)协议,使用(2)次握手协议建立连接。
(1)
A.传输层
B.网络层
C.会话层
D.应用层
(2)
A.1
B.2
C.3
D.4

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相关试题

54题:

对n个元素值分别为-1、0或1的整型数组A进行升序排序的算法描述如下:统计A中-1、0和1的个数,设分别为n1、n2和n3,然后将A中的前n1个元素赋值为-1,第n1+1到n1+n2个元素赋值为0,最后n3个元素赋值为1。该算法的时间复杂度和空间复杂度分别为()。

A. A
B. B
C. C
D. D

答案解析与讨论:www.cnitpm.com/st/2472227428.html

55题: 设算法A的时间复杂度可用递归式表示,算法B的时间复杂度可用递归式表示,若要使得算法B渐进地快于算法A,则a的最大整数为(  )。
 A.48
B.49
C.13
D.14
答案解析与讨论:www.cnitpm.com/st/247239135.html

56题:

A类网络是很大的网络,每个A类网络中可以有(1)个网络地址。实际使用中必须把A类网络划分为子网,如果指定的子网掩码为255.255.192.0,则该网络被划分为(2)个子网。

(1)
A.210
B.212
C.220
D.224
(2)
A.128
B.256
C.1024
D.2048

答案解析与讨论:www.cnitpm.com/st/2472429099.html

58题:

在Windows系统中,为排除DNS域名解析故障,需要刷新DNS解析器缓存,应使用的命令是()。
A.ipconfig/renew
B.ipconfig/flushdns
C.netstat-r
D.arp-a

答案解析与讨论:www.cnitpm.com/st/2472619253.html

59题:

Extreme Programming (XP) is a discipline of software development with (1)of simplicity, communication, feedback and courage. Successful software development is a team effort-not just the development team, but the larger team consisting of customer, management and developers. XP is a simple process that brings these people together and helps them to succeed together. XP is aimed primarily at object-oriented projects using teams of a dozen or fewer programmers in one location. The principles of XP apply to any  (2)   project that needs to deliver quality software rapidly and flexibly.
An XP project needs a(an)   (3)   customer to provide guidance. Customers, programmers, managers, are all working   (4) to build the system that's needed. Customers - those who have software that needs to be developed - will learn simple, effective ways to (5)  what they need, to be sure that they are getting what they need, and to steer the project to success.
(1) A.importance
B.keys
C.roles
D.values
(2) A.small-sized
B.moderately-sized
C.large-sized
D.huge-sized
(3) A.part-time
B.casual
C.seldom
D.full-time
(4) A.together
B.by themselves 
C.separately
D.alone
(5)A.tell
B.know
C.communicate 
D.feedback

答案解析与讨论:www.cnitpm.com/st/24727714.html