原NCRE全国计算机四级_相关试题

Which of the following statements about internet is (are) correct? Ⅰ.Each host in internet only has a IP address.
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
250
About the following IP address ,Which is incorrect?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
190
Which program is synthetic benchmark?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
140
There are many methods in the CPETT .One of them is the method that runs a Kernel as the load of a computer.So we call it
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
200
Which of the following statements about object oriented database is NOT correct ?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
290
In the ORACLE system, sets of SQL statements and control flow statements that have been named, compiled ,and stored in database
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
180
Which of the following statements is correct?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
140
Which phase of the software development requires the most development time?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
110
What state is a process in when it cannot run because it needs a resource to become available?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
170
Of the items listed below, which one(s) should be saved into the process control block? 　　 Ⅰ.Process name and process number 　　
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
120
In the following kinds of graphs, which one’s adjacency matrix is symmetric?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
150
Which of the following statements is true regarding simple sort techniques?
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
2460
The Programming Counter(PC)is normally used to point out
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
80
数据通信是计算机和通信路线结合的通信方式。计算机网络中传输的信息都是数字数据。下列描述中 Ⅰ．数据通信的对象是计算机或终端： Ⅱ．数据通信的内容是由“0”和“1”构成的二进制编码信息； Ⅲ．数据通信要求误码率非常低。数据通信的特点有
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
560
在OSI参考模型中，两个(N)成实体之间交换的数据单元称之为(N)协议数据单元，记做(N)PDU。(N)PDU由两部分组成：(N)PCI与
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
510
以下关于网络层的描述错误的是
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
420
一种用载波信号相位移动来表示数字数据的调制方法称为
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
350
在ISO“开放系统互连管理框架”中，将网络系统管理划分为五个功能域。这五个功能域是：配置管理、故障管理、安全管理、性能管理与
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
420
ATM是一种面向连接的快速分组交换技术，它采用虚拟通道模式，通道标识基于的标识符是
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
350
网络文件访问是网络系统的基本功能，TCP/IP、XNS与SNA均有网络文件访问协议。网络文件访问包括两种不同的形式：文件传输与文件访问。文件访问又叫做在线访问 (on-lineaccess)，它
笔试原NCRE全国计算机四级NCRE全国计算机四级
admin2009-2-24
760