单选题You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. You want to make sure that the application is operative to any type of database.   What should you do？（）ASet the 

题目
单选题
You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. You want to make sure that the application is operative to any type of database.   What should you do？（）
A

 Set the database driver name in the connection string of the application， and then the connection object as follows： DbConnection connection = new OdbcConnection（connectionString）；

B

 Create the connection object as follows： DbProviderFactory factoryDbProviderFactories.GetFactory（databaseProviderName）； DbConnection connection =factory.CreateConnection（）；

C

 Create the connection object as follows： DbProviderFactory factory = DbProviderFactories.GetFactory（System.Data.Odbc）； DbConnection connection = factory.CreateConnection（）；

D

 Set the database driver name in the connection string of the application， and then the connection object as follows：DbConnection connection = new OleDbConnection（connectionString）；

相似考题

1. You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You host the Web application in Microsoft Internet Information Services （IIS） 6.0. You browse theapplication and receive the following error message：  Server Application Unavailable  The web application you are attempting to access on this web server is currently unavailable.Please hit the "Refresh" button in your web browser to retry your request.  You view the Application event log and discover the following message：  It is not possible to run two different versions of ASP.NET in the same IIS process. Please use theIIS Administration Tool to reconfigure your server to run the application in a separate process.  To ensure productivity you need to solve this problem as quick as possible.  What should you do？（）A、You should change the IIS isolation mode.B、You should assign the application to another application pool.C、You should configure all applications that are part of your application's application pool in orderto use the same version of ASP.NET.D、You should run the Aspnet_regiis.exe Tool.E、You should restart the application pool that hosts the application.

2.You work as an application developer at Certkiller .com. Certkiller .com has asked you to develop an application that monitors and controls the activities of a Windows service.You need to use the appropriate class to meet Certkiller .com’s requirements. What should you do？（）A、 Use the ServiceBase class.B、 Use the ServiceInstaller class.C、 Use the ServiceManager class.D、 Use the ServiceController class.

3. You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The user name and password that is kept by the connection string is stored directly in the code of the application. You want to make sure that the password in the connection string is as protected.   What should you do？ （）A、 Add the connection string to the Settings.settings file.B、 Add connection string to the Web.config file and use protected configuration.C、 Use the TRUE setting in the Persist Security Info keyword.D、 Use the FALSE setting in the Persist Security Info keyword

4. You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You create a folder named Dark in the App_Themes folder of the Web application. You also addfour skin files to this folder. You have to make sure that the controls on a page have their appearances overridden by the control definitions defined in the skin files. What should you do？  Which Page directive should you use？（）A、You should use the page directive: <%@ Page StyleSheetTheme="App_Themes.Dark"/>B、You should use the page directive: <%@ Page Theme="App_Themes.Dark"/>C、You should use the page directive: <%@ Page Theme="Dark"/>D、You should use the page directive: <%@ Page StyleSheetTheme="Dark"/>

更多“You work as an application developer at Contoso.com. You use”相关问题

  • 第1题：

    You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform.  You are creating an ASP.NET Web application using .NET Framework 4.0. The Web application comprises a class named Employee with properties named as First Name， Last Name， and Age. You add a Web page in which you get a list of Employee objects and display those objects in a GridView control. You are required to add code so that the GridView row is highlighted in red color if the age of the employee is less than 21 years.  What will you do to accomplish this？（）

    • A、Use the RowCommand event of the GridView control.
    • B、Use the SelectedlndexChanged event of the GridView control.
    • C、Use the RowDataBound event of the GridView control.
    • D、Use the RowEditing event of the GridView control.
    • E、Use the RowUpdated event of the GridView control.

    正确答案:C

  • 第2题：

    You work as the application developer at Certkiller .com. Certkiller .com uses Visual Studio.NET 2005 as its application development platform. You are developing a Windows Service application. You need to change the security context in which the service runs. The service will be run in context of a non-privileged user on the local computer and present anonymous credentials to any remote server. You are required to set the Account property of the ServiceProcessInstaller class to specify the service account. What should you do?（）

    • A、Use ServiceAccount.User.
    • B、Use ServiceAccount.LocalService.
    • C、Use ServiceAccount.LocalSystem.
    • D、Use ServceAccount.NetworkService.

    正确答案:B

  • 第3题：

    You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. You want to make sure that the application is operative to any type of database.   What should you do？（）

    • A、 Set the database driver name in the connection string of the application， and then the connection object as follows： DbConnection connection = new OdbcConnection（connectionString）；
    • B、 Create the connection object as follows： DbProviderFactory factoryDbProviderFactories.GetFactory（databaseProviderName）； DbConnection connection =factory.CreateConnection（）；
    • C、 Create the connection object as follows： DbProviderFactory factory = DbProviderFactories.GetFactory（"System.Data.Odbc"）； DbConnection connection = factory.CreateConnection（）；
    • D、 Set the database driver name in the connection string of the application， and then the connection object as follows：DbConnection connection = new OleDbConnection（connectionString）；

    正确答案:B

  • 第4题：

    You work as a Web Developer at Certkiller.com. You create a Web application using MicrosoftASP.NET 3.5.  Certkiller.com hosts the application in Microsoft Internet Information Services 7.0. You attempt tobrowse the application and receive the following error message：  Service Unavailable    HTTP Error 503. The service is unavailable.   You check and discover that you are able to browse successfully to other application that formspart of the same IIS Web site. The hosted applications on the network make use of ASP.NET 3.5.There are not previous versions of ASP.NET is installed. You need to resolve this error as soon aspossible.  What should you do？（）

    • A、You should run the ServiceModel Metadata Utility tool (Svcutil.exe).
    • B、You should change the pipeline mode associated with the application pool that hosts theapplication.
    • C、You should run the ASP.NET Registration Tool (Aspnet_regiis.exe).
    • D、You should make sure that the application pool that hosts the application is initiated.

    正确答案:D

  • 第5题：

    You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The database on the Microsoft SQL Server 2005 database has two tables that are displayed by using two SqlConnection objects in two different GridView controls. You want the tables to be displayed at the same time with the use a single SqlConnection object.   What should you do？（）

    • A、 Create a bound connection by using the sp_getbindtoken and the sp_bindsession stored procedures.
    • B、 Enable Multiple Active Result Sets （MARS） in the connection string of the application. 
    • C、 Create an exception handler for the connection-busy exception that is thrown on using a single SqlConnection object.
    • D、 Run the two SqlDataReader objects by using a single SqlCommand object.

    正确答案:B

  • 第6题：

    You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The instance contains a database named DB1. An application which is continuously connected uses DB1. The application extensively uses the INSERT command and triggers the population of multiple tables. Now you notice that the application has a poor performance. You doubt that this problem has something to do with blocking. You have to monitor the state of the instance at regular intervals while not affecting the application performance further.  Which tool should you use? （） 

    • A、You should use Dynamic Management Views 
    • B、You should use SQL Server Resource Governor 
    • C、You should use SQL Server Profiler 
    • D、You should use Windows System Monitor

    正确答案:A

  • 第7题：

    单选题
    You work as an application developer at Certkiller .com. You are currently in the process of developing a business logic component that requires long calculations. You have identified numerous tasks within this application that can be done asynchronously. You notice that these tasks are mutually dependent and require complex synchronization techniques so that it can manage efficiently. You decide to use Microsoft .NET 2.0 to take advantage of its new thread management features. You need to create and start the application threads. What should you do？（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. You want to use Windows Authentication along with the Microsoft OLE DB provider. You now need to make sure that the OLE DB connection is as secure as possible.   What should you do？（）
    A

     Add the following parameter to the connection string： Integrated Security=true； PersistSecurityInfo=true；

    B

     Add the following parameter to the connection string： Integrated Security=SSPI；

    C

     Add the following parameter to the connection string： Integrated Security=SSPI； PersistSecurityInfo=yes；

    D

     Add the following parameter to the connection string： Integrated Security=true；


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The database on the Microsoft SQL Server 2005 database has two tables that are displayed by using two SqlConnection objects in two different GridView controls. You want the tables to be displayed at the same time with the use a single SqlConnection object.   What should you do？（）
    A

     Create a bound connection by using the sp_getbindtoken and the sp_bindsession stored procedures.

    B

     Enable Multiple Active Result Sets （MARS） in the connection string of the application. 

    C

     Create an exception handler for the connection-busy exception that is thrown on using a single SqlConnection object.

    D

     Run the two SqlDataReader objects by using a single SqlCommand object.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    You work as an application developer at Certkiller .com. Certkiller .com has asked you to develop an application that monitors and controls the activities of a Windows service.You need to use the appropriate class to meet Certkiller .com’s requirements. What should you do？（）
    A

     Use the ServiceBase class.

    B

     Use the ServiceInstaller class.

    C

     Use the ServiceManager class.

    D

     Use the ServiceController class.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The user name and password that is kept by the connection string is stored directly in the code of the application. You want to make sure that the password in the connection string is as protected.   What should you do？ （）
    A

     Add the connection string to the Settings.settings file.

    B

     Add connection string to the Web.config file and use protected configuration.

    C

     Use the TRUE setting in the Persist Security Info keyword.

    D

     Use the FALSE setting in the Persist Security Info keyword


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    You work as an application developer at Certkiller .com. You are developing an application that makes use of a Queue class object named MyQueue. This Queue class object will be used to store messages sent by the user during application run time.You would like to access the message at the beginning of the queue， prior to processing the user messages， without removing it. What should you do？（）
    A

     Use the Enqueue method of the MyQueue object.

    B

     Use the Contains method of the MyQueue object.

    C

     Use the Dequeue method of the MyQueue object.

    D

     Use the Peek method of the MyQueue object.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    You work as an application developer at Certkiller .com. You have recently created an application domain for Certkiller .com. A few weeks later you are asked to retrieve information from this application domain， which is the current application domain. What can you do to achieve this objective？（）

    • A、 Use the following code： AppDomain appInfo = ApplicationDomain.Current；
    • B、 Use the following code： AppDomain appInfo = AppDomain.CurrentDomain （）；
    • C、 Use the following code： AppDomain appInfo = Thread.GetDomain （）；
    • D、 Use the following code： AppDomain appInfo = MainThread.GetDomain （）；

    正确答案:B,C

  • 第14题：

    You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform. You create an ASP.NET Web application using .NET Framework 4.0. The Web application connects to a SQL Server database. You use the ADO.NET Entity Framework to handle persistence-ignorant entities. You create an ObjectContext object named ObjContext. Subsequently， you change properties on numerous entities. You are required to save the changed entity values in the SQL Server database. Which of the following code segments will you use？（）

    • A、ObjContext.SaveChanges（SaveOptions.DetectChangesBeforeSave）；
    • B、ObjContext.SaveChanges（SaveOptions.AcceptAllChangesAfterSave）；
    • C、ObjContext.SaveChanges（SaveOptions.All）；
    • D、ObjContext.SaveChanges（SaveOptions.None）；

    正确答案:A

  • 第15题：

    You work as an application developer at Certkiller .com. You are required to dynamically load assemblies into an application domain. You are using the Load method of the AppDomain class. What types of files can you this use method for？（）

    • A、 Library application files （.dll）.
    • B、 All assembly files， no matter what there file extensions are.
    • C、 Application configuration files （.config）.
    • D、 Standalone application files （.exe）.

    正确答案:B

  • 第16题：

    You work as an application developer at Certkiller .com. You are currently in theprocess of reviewing an application that was created by a fellow developer.The application that you are reviewing includes a declaration for a collection named EmployeeList， which stores Employee objects. The declaration is shown below： public class EmployeeList ： Enumerator， IEnumerable { // Class implementation } You require the ability to iterate through the EmployeeList with minimum development effort.What should you do？（）

    • A、 Utilize the switch statement
    • B、 Utilize the dowhile statement
    • C、 Utilize the foreach statement
    • D、 Utilize the if statement

    正确答案:C

  • 第17题：

    You work as an ASP.NET Web Application Developer for SomeCompany.  The company uses Visual Studio .NET 2010 as its application development platform. You create an ASP.NET Web application using .NET Framework 4.0. You create a Web page in the application. The Web page will get large sets of data from a data source.  You add a DataPager control to the page. You are required to display navigation controls that enable you to create a custom paging Ul for the DataPager control. What will you do？（）

    • A、Use NextPreviousPagerField.
    • B、Use NumericPagerField.
    • C、Use PreviousPagerField.
    • D、Use NextPagerField.
    • E、Use TemplatePagerField.

    正确答案:E

  • 第18题：

    单选题
    You work as an application developer at Certkiller .com. You have been asked by you superiors at Certkiller .com to create a child application domain.  The new child application domain has to specify a different assembly path than that of the parent application domain.You need to ensure that your solution meets Certkiller .com’s requirements.What should you do？（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    You work as an application developer at Certkiller .com. You have recently created an application that includes the code shown below. public delegate stringGetFileContentsDel （）； public string GetFileContents （） {  //Process file and return results }  You now need to invoke the GetFileContents method asynchronously.  You have to ensure that the code you use to invoke the GetFileContents method will continue to process other user instructions， and displays the results as soon as the GetFileContents method finishes processing.What should you do？（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    You work as an application developer at Certkiller .com. You have recently created an application domain for Certkiller .com. A few weeks later， you are required to determine if assembly references in this application domain， which is the current application domain， are being cached. What property should you use to achieve this objective？（）
    A

     AppDomain.CurrentDomain.ShadowCopyFiles

    B

     AppDomain.CurrentDomain.CachePath

    C

     AppDomain.CurrentDomain.ConfigurationFile

    D

     AppDomain.CurrentDomain.Evidence


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    You work as an application developer at Certkiller .com. You are required to dynamically load assemblies into an application domain. You are using the Load method of the AppDomain class. What types of files can you this use method for？（）
    A

     Library application files （.dll）.

    B

     All assembly files， no matter what there file extensions are.

    C

     Application configuration files （.config）.

    D

     Standalone application files （.exe）.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    You work as an application developer at Certkiller .com. You are developing an application that makes use of a Queue class object named MyQueue. This Queue class object will be used to store messages sent by the user during application run time. The application that you are developing provides an interface for administrators and an interface for users to create message reports.You want to ensure that all user messages stored in the MyQueue object are removed when an administrator selects the reset option.What should you do？（）
    A

     Use the Enqueue method of the MyQueue object.

    B

     Use the Clear method of the MyQueue object.

    C

     Use the Dequeue method of the MyQueue object.

    D

     Use the TrimToSize method of the MyQueue object.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You create a folder named Dark in the App_Themes folder of the Web application. You also addfour skin files to this folder. You have to make sure that the controls on a page have their appearances overridden by the control definitions defined in the skin files. What should you do？  Which Page directive should you use？（）
    A

    You should use the page directive: <%@ Page StyleSheetTheme=App_Themes.Dark/>

    B

    You should use the page directive: <%@ Page Theme=App_Themes.Dark/>

    C

    You should use the page directive: <%@ Page Theme=Dark/>

    D

    You should use the page directive: <%@ Page StyleSheetTheme=Dark/>


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    You work as an application developer at Certkiller .com. You have recently created a multithreaded application to manage Certkiller .com’s inventory system.  The fulfillment task has to be executed on a regular basis， while other tasks are performed in the application. The task does not need any input to start.  You are required to create and start the fulfillment thread using the appropriate code.What code should you use？（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： C
    解析： 暂无解析

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