net考证试题（.net考证试题）.docx

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1、net考证试题（.net考证试题）net 考证试题 (.net 考证试题)The first part is written examination First, the multiple-choice question 1, about the HTML TABLE statement, the error is: (C) The width property of the A table can be set to a pixel value or percentage. The height property of the B table can be set to a pixel va

2、lue or percentage. C if the border property is not specified, the default width of the form is 1. The D table and the background color of the cell can be set at the same time. 2. Which of the following objects is used to establish a connection with the data source: (B) A Command B Connection C DataR

3、eader D DataAdapter 3、 when does the Session_Start event in the Global, asax file excite (B)? A fires at the beginning of each request B attempts to fire when using authentication C fires when the session is started D fires when application starts 4, HTML uses anchor tags (a) to create a link to ano

4、ther file, the linked resource (D). A can only be HTML pages and images B cannot be sound C can t be a movie D can be any resource on the network 5, regarding the HTML framework statement, the error is: (A) The A frame tag defines how to split a window into a framework. B can write noframes tags to

5、browsers that do not support frames. The individual pages in the C HTMLframework are independent of each other. The use of the D HTML framework makes printing the entire page difficult. 6. Which of the following files is the global configuration file (B)? A Global, asax B Web. config C Styles, css D

6、 Assemblylnfo. vb 7, the following statement is correct (B) There is something dynamic on the A page, that is, dynamic web pages B static web pages have fixed content and interactivity can be worse than dynamic web pages C, ASP, JSP, and ASP. NET technologies all embed scripting languages into HTML

7、documents The D ASP. NET program, like the ASP program, is interpreted and executed 8, when you access an SqlServer database in a ASP. NET application, the namespace you need to import is (B) A, System. Data. Oracle, B, System. Data. , SqlClient C System. Data. ODBC D System. Data. OleDB 9, you can

8、use the built-in object (D) to pass values across each page of your application A Request B Application C Session D above is OK 10, if you need to ensure that users enter values greater than 30, you should use (C) validation controls A RequiredFieldValidator B CompareValidatorC RangeValidator DRegul

9、arexpression_rValidator 11 which of the following is not the D of the web page file? A, HTM, B, ASPX, C, ASP, D, TXT 12. How many minutes is the default validity of the Session object: (C) A 10, B 15, C 20, D applications, from start to finish Security tip: if there is any property involved in the c

10、hat, please check your friend s identity first. Send authentication questions or click on the report Nepenthes 16:06:38 13. The following validation control for ASP. NET describes the error as (A) A can be validated on both the client and server side B, its client authentication and server-side vali

11、dation apply to all browsers C if the page calls more than one validation control, when one of them is not validated, The entire page will not be validated D a server control can be verified by multiple validation controls at the same time 14, the following statement about overloading is incorrect (

12、C) The A method name is the same The B parameter list is different C return value types are different The D method signing is different 15, on the difference between Overload and Override, the description is incorrect (D) A overload refers to overloading B override means rewriting C, override, and v

13、irtual appear in pairs D is overridden with New, and override is overridden 16, about polymorphism, the following statement is correct (D) A polymorphism means overloading B polymorphism means rewriting The C polymorphism is a subclass object to the superclass object to use D above statement is inco

14、rrect 17. What is the content we see in the browser after the following program has been executed? (A) %Response. Write a Sina href= /a% A Sina, B, a, href=，Sina, /a C Sina D, this sentence is wrong, nothing shows Two. Fill in the blanks 1. known str= 1234567890 Left (STR, 2) =12 Right (STR, 2)=90 L

15、en (STR)=10 Mid (STR,3),3) = 345 2o要求。从和请求。QueryString对应的是形式提交时的两种不同提交方法：取得客户端在从表单中所输入的信息 方法和从查询字符串中读取用户提交的数据方法 三.应用供应 两个事务：application_onstart ,应用起先的时候调用该事务；application_onend ,应用结束时调用该事务 4。服务器。听是把虚拟路径转换为实际的物理路径50ADO模型定义了 3个一般对像，分别为一连接对象、叮嘱_ 对象、datareader_对象。6oC #中重载和重写分别对应 overload 和override 关键字 7。

16、几乎全部的HTML标记都可以转化为HTML服务器控件，只须要 在标记中加入_runat二服务器 即可8。控件TextBox的AutoPostBack属性的作用是自动提交 9O服务器。mappath ()方法的主要功能是 10。叮嘱对象executenoquery ()方法的功能是执行非查询T-SQL 语句IE多态包括运行时多态和编译时多态12。重载指的是同一个类中的两个方法方法名相同，参数列 表 不同13。面对对象的语言的三个主要特性是封装_、继承 和多态O14oaspx网页的代码储存模式有两种，它们是一代码分别模式和 单一模式.代码分别模式。15o当一个Web控件上发生的事务须要立刻得到响时

17、，应当将他的 AutoPostBack属性设置为真实。三、推断题(正确的在括号内填，错误的填)lo离开了网站，ASP网页能够单独运行()。2O网站配置是网站中必需的配置文件()。30href属性不能用来指定到一个邮箱地址()4、HS可以同时 管理多个应用程序()5、HS要求默认文档的文件名必需为默认 或指数，扩展名则可以是.htm、ASP等已为服务器支持的文件扩展名 ()o四、简答题lo假如在一个B/S结构的系统中须要传递变量值但是又不能运用 会话cookie,、应用，您有几种方法进行处理？ 答：this, server, transfer 响应。redirect ()查询 2。GC是什么？为

18、什么要有GC? 答：GC是垃圾收集器程序员不用担忧内存管理，因为垃圾收集器会 自动进行。理要请求垃圾收集，可以调用下面的方法之一：gc ()系统。运行时。getruntime ()。gc () 3o接口是否可继承接口？抽象类是否可实现(实现)接口？抽象类 是否可继承实体类(具体类)？ 答：接口可以继承接口。抽象类可以实现(实现)接口，抽象类是否可继承 实体类，但 前提是实体类必需有明确的构造函数4。string s二新的字符串(XYZ)；创建了几个字符串对象？ 答：两个对象，一个是XYX, 一个是指向xyx的引用对象S. 5o覆盖与重载的区分答：重载是方法的名称相同。参数或参数类型不同，进行多

19、次重载以适应不同的须要是进行基 类中函数的重写为了适应须要。重写。忘忧草16:07:54其次部分实操 五、编程题1。利用递归求斐波那契数列第25个数的值。(10分) 公共int斐波那契(int i) 假如(我二二1 | | 我二二2) 返回1； 其他 返回斐波那契(i-1) +斐波那契 (1-2) 2o利用冒泡排序方法，使数组int SS= 从小到大排序 13, 5, 67, 39, 87, 34, 98 ostatic int SS =新 13,5,67,39,87,34,98 int ； static void main(String args) bubble ()； printlist()；bubble() static void int = 0； 对于(int i = SS；计数；i 0； i) 对于(int = 0； j i 1； j + +) 假如(列出j (j + 1) )温度温度;SS J = SS j + 1 ； SS j = 1 临时温度； printlist （） ；私人 printlist （）static void foreach （SS int 项）限制台：写入（字符串格式（。，项目）； writeline （）限制台；）