Latest Microsoft 070-559 Actual Free Exam Questions & Community Discussion, Page 3

Question #15

You work as the developer in an IT company. Recently your company has a big client. The client runs a large supermarket chain. According to the business requirement, the client needs a class which uses unmanaged resources. This class maintains references to managed resources on other objects. You must make sure that when the class instance is not needed, users of this class can explicitly release resources. What should you do? (choose more than one)

A. Create a Dispose method that releases unmanaged resources and calls methods on other objects to release the managed resources.

B. You should create a class destructor. The class destructor releases the managed resources by calling methods on other objects.

C. You should create a Dispose method. The method forces garbage collection by calling System.GC.Collect.

D. You should make the class inherit from the WeakReference class by defining it.

E. You should create a class destructor. The class destructor releases the unmanaged resources.

F. You should make the class implement the IDisposable interface by defining it.

Discussion 0

Correct Answer: A,E,F Vote an answer

Question #16

You work as the developer in an IT company. Recently your company has a big client. The clients asks you to develop a dictionary by using the Microsoft .NET Framework. You have to define the custom-dictionary class. You name it myDic. This dictionary must be type safe. Which should you use?

A. class MyDic : HashTable

B. class MyDic { ... }
Dictionary<string, string> t =
new Dictionary<string, string>(); MyDic dictionary = (MyDic)t;

C. class MyDic : Dictionary<string, string>

D. class MyDic : IDictionary

Discussion 0

Correct Answer: C Vote an answer

Question #17

You have just graduated from college, now you are serving the internship as the software developer in an international company. Now you are transferring records from one database to another. You are not sure whether you can transfer the records by using the SqlBulkCopy class. You have to identify this. So what should you do?

A. You must make sure that the destination database is Microsoft SQL Server.

B. You must make sure that the source database is Microsoft SQL Server.

C. You must make sure that the bulk copy program (bcp) utility is installed on the destination server.

D. You must make sure that the column names in the source table match the column names in the destination table.

Discussion 0

Correct Answer: A Vote an answer

Question #18

You have just graduated from college, now you are serving the internship as the software developer in an international company. According to the requirements of the company CIO, you??re creating a Web application which displays data by using a GridView control. For the Web application, you drag and drop tables from the Data Connections tree in Server Explorer build Web Forms.
The following is the Add Connection dialog box. (Click the Exhibit button.) You have to use this to add a connection to your data. You have to create the data source objects, so you need to configure the .NET Data Provider that you use to achieve this.
What should you do?

A. You should click the Advanced button, and change the Application Name property to the target provider.

B. You should click the Change button, and change the data provider for the selected data source.

C. You should right-click the connection, and click Properties. Modify the Provider property of the data connection.

D. You should click the Advanced button, and change the Data Source property to the target provider.

Discussion 0

Correct Answer: B Vote an answer

Question #19

You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now according to the customer requirement, you create a Web Form to which you add the following CreateUserWizard server control.
<asp:CreateUserWizard runat="server" ID="CU1" FinishCompleteButtonText="Continue">
<WizardSteps>
<asp:CreateUserWizardStep ID="CWS1" Runat="server" Title="New Account"/>
<asp:WizardStep ID="CWS2" Title="More Info" StepType="Step">
Given Name:<asp:TextBox runat="server" ID="txtGivenName" />
Last Surname:<asp:TextBox runat="server" ID="txtSurname" />
</asp:WizardStep>
<asp:CompleteWizardStep ID="CWS3" Runat="server" Title="Complete"/>
</WizardSteps> </asp:CreateUserWizard>
Now you have to write the segment code. After users click the Continue button on the last page, the code should redirect users to the first page of the wizard. In the options below, which code segment should you use?

A. void CU1_NextButtonClick(object sender, WizardNavigationEventArgs e) { CU1.ActiveStepIndex = 0;}

B. void CU1_FinishButtonClick(object sender, WizardNavigationEventArgs e) { CU1.ActiveStepIndex = 1;}

C. void CU1_ContinueButtonClick(object sender, EventArgs e) { CU1.ActiveStepIndex = 0;}

D. void CU1_ContinueButtonClick(object sender, EventArgs e) { CU1.ActiveStepIndex = 1;}

Discussion 0

Correct Answer: C Vote an answer

Question #20

You have just graduated from college, now you are serving the internship as the software developer in an international company. You need to add a string named strConn to the connection string section of the application configuration file. You plan to write a code segment to achieve this. So what code segment should you write?

A. Dim myConfig As Configuration = _ ConfigurationManager.OpenExeConfiguration( _ ConfigurationUserLevel.None)myConfig.ConnectionStrings.ConnectionStrings.Add( _ New ConnectionStringSettings("ConnStr1", strConn))myConfig.Save()

B. Dim myConfig As Configuration = _ConfigurationManager.OpenExeConfiguration( _ ConfigurationUserLevel.None)myConfig.ConnectionStrings.ConnectionStrings.Add( _ New ConnectionStringSettings("ConnStr1", strConn))ConfigurationManager.RefreshSection("ConnectionStrings")

C. ConfigurationManager.ConnectionStrings.Add( New ConnectionStringSettings("ConnStr1", strConn))Dim myConfig As Configuration = _ ConfigurationManager.OpenExeConfiguration( _ ConfigurationUserLevel.None)myConfig.Save()

D. ConfigurationManager.ConnectionStrings.Add( _New ConnectionStringSettings("ConnStr1", strConn))ConfigurationManager.RefreshSection("ConnectionStrings")

Discussion 0

Correct Answer: A Vote an answer

Question #21

You have just graduated from college, now you are serving the internship as the software developer in an international company. According to the requirements of the company CIO, you are creating a class. The class uses unmanaged resources and maintains references to managed resources on other objects. You must make sure that when the class instance cease to be needed, users of this class can explicitly release resources. what should you do? (choose more than one)

A. You should create a class destructor that calls methods on other objects to release the managed resources.

B. You should create a class destructor that releases the unmanaged resources.

C. You should create a Dispose method that releases unmanaged resources and calls methods on other objects to release the managed resources.

D. You should create a Dispose method that calls System.GC.Collect to force garbage collection.

E. You should define the class such that it implements the IDisposable interface.

F. You should define the class such that it inherits from the WeakReference class.

Discussion 0

Correct Answer: B,C,E Vote an answer

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