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- Question
You create an ASP.NET page that uses images to identify areas where a user can click to initiate actions. The users of the application use Internet Explorer. You want to provide a pop-up window when the user moves the mouse pointer over an image. You want the pop-up window to display text that identifies the action that will be taken if the user clicks the image. What should you do?
Options- A. For each image, set the AlternateText property to specify the text you want to display, and set the ToolTip property to True.
- B. For each image, set the ToolTip property to specify the text you want to display.
- C. In the onmouseover event handler for each image, add code that calls the RaiseBubbleEvent() method of the System.Web.UI.WebControls.Image class.
- D. In the onmouseover event handler for each image, add code that calls the ToString() method of the System.Web.UI.WebControls.Image class.
- Correct Answer
- For each image, set the ToolTip property to specify the text you want to display.
ExplanationWebControl.ToolTip property gets or sets the text displayed when the mouse pointer hovers over the Web server control. The use of the ToolTip property meets the requirement of this scenario.
Incorrect Answers:
A: The AlternateText property is used to specify the text to display if the image is not available.
C: The RaiseBubbleEvent is not useful here. ASP.NET server controls such as the Repeater, DataList and DataGrid Web controls can contain child controls that raise events. Rather than each button raising an event individually, events from the nested controls are "bubbled"?that is, they are sent to the control's parent.
D: The ToStringMethod() would not by itself provide the functionality required. - 1. You are creating an ASP.NET page for selling movie tickets. Users select a region, and then they select from a list of cities in that region. The site displays the names and locations of movie theaters in the city selected by the user. Your company, XYZ Brothers, maintains a list of theaters in a database table that includes the city, name, and street address of each theater. You want to minimize the time required to retrieve and display the list of theater names after a user selects the region and city. What should you do?
Options- A. Modify the connection string to add the packet size property and set its values to 8192.
- B. Add the following directive to the page: OutputCache VaryByParam=?
- C. Add the following directive to the page: OutputCache VaryByControl=?region;city?
- D. Modify the connection string to keep your database's connection pool as small as possible. Discuss
- 2. You create an ASP.NET application to provide corporate news and information to XYZ?s employees. The application is used by employees in New Zealand. Default.aspx has a Web Form label control named currentDateLabel. The Page.Load event handler for Default.aspx included the following line of code: currentDateLabel.Text = DateTime.Now.ToString(?D?) You need to ensure that the data is displayed correctly for employees in New Zealand. What should you do?
Options- A. In the Web.config file for the application, set the culture attribute of the globalization element to en-NZ.
- B. In the Web.config file for the application, set the uiCulture attribute of the globalization element to en-NZ.
- C. In Visual Studio .NET, set the responseEncoding attribute in the page directive for Default.aspx to UTF-8.
- D. In Visual Studio .NET, save the Default.aspx page for both versions of the application by selecting Advanced Save Options from the File menu and selecting UTF-8. Discuss
- 3. You are creating an ASP.NET page for a travel service. The page contains a CheckBoxList control that contains travel destinations. Customer can select favorite destinations to receive weekly e-mail updates of travel packages. The CheckBoxList control is bound to a database table of possible destinations. Each destination is ranked according to its popularity. You modify the page to sort the destination list by rank, from the most popular to the least popular. The list has three columns. You want the most popular destination to be on the top row of the check box list at run time. Which property setting should you use for the CheckBoxList control?
Options- A. Set the RepeatDirection property to Vertical.
- B. Set the RepeatDirection property to Horizontal.
- C. Set the RepeatLayout property to Flow.
- D. Set the RepeatLayout property to Table. Discuss
- 4. You ASP.NET application manages order entry data by using a DataSet object named EXorderEntry. The EXorderEntry object includes two DataTable objects named orderNames and OrderDetails. A ForeignKeyConstraint object named orderDetailsKey is defined between the two DataTable objects. You attempt to delete a row in orderNames while there are related rows in OrderDetails, and an exception is generated.What is the most likely cause of the problem?
Options- A. The current value of OrderDetails.KeyDeleteRule is Rule.Cascade.
- B. The current value of OrderDetails.KeyDeleteRule is Rule.SetNull.
- C. The current value of OrderDetails.KeyDeleteRule is Rule.SetDefault.
- D. The current value of OrderDetails.KeyDeleteRule is Rule.None. Discuss
- 5. You are a Web developer for XYZ. You create an ASP.NET application that accesses sales and marketing data. The data is stored in a Microsoft SQL Server 2000 database on a server named XYZ01. The company purchases a factory automation software application. The application is installed on XYZ01, where it creates a second instance of SQL Server 2000 named Factory and a database named FactoryDB. You connect to FactoryDB by using Windows Integrated authentication. You want to add a page to your ASP.NET application to display inventory data from FactoryDB. You use a SqlConnection object to connect to the database. You need to create a connection string to FactoryDB in the instance of SQL Server named Factory on XYZ01. Which string should you use?
Options- A. ?Server=XYZ01;Data Source=Factory; Initial Catalog=FactoryDB;Integrated Security=SSPI?
- B. ?Server=XYZ01;Data Source=Factory; Database=FactoryDB;Integrated Security=SSP1?
- C. ?Data Source=XYZ01\Factory; Initial Category=Factory; Integrated Security=SSP1?
- D. ?Data Source=XYZ01\Factory; Database=FactoryDB; Integrated Security=SSP1? Discuss
- 6. You create English, French, and German versions of a test engine ASP.NET application you are developing for XYZ Inc. You have separate resource files for each language version.You need to deploy the appropriate resource file based on the language settings of the server. What should you do?
Options- A. Create an installer and set the Installer.Context property for each version of your application.
- B. Create an installer that has a launch condition to verify the locale settings.
- C. Create an installer that has a custom action to install only location-specific files.
- D. Create an installer that has an MsiConfigureProduct function to install the appropriate version. Discuss
- 7. You plan to deploy your ASP.NET application over XYZ?s intranet. The application uses data retrieved from a Microsoft SQL Server database. You want to use SQL Server connection pooling to optimize performance. You also need to protect confidential data stored on the server while minimizing administrative costs. You need to configure security for your application. What should you do?
Options- A. Use Microsoft Windows authentication in the application. Enable impersonation for users to access the SQL Server database from your application.
- B. Use Microsoft Windows authentication in the application. Use a single Windows account for users to access the SQL Server database from your application.
- C. Use form-based authentication in the application. Use the system administrator (sa) SQL Server login for users to access the SQL Server database from your application.
- D. Use form-based authentication in the application. Assign each user a separate SQL Server login to use to access the SQL Server database from your application. Discuss
- 8. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. The database includes a table named dbo. Documents that contains a column with large binary dat a. You are creating the Data Access Layer (DAL). You add the following code segment to query the dbo.Documents table. (Line numbers are included for reference only.) 01public void LoadDocuments(DbConnection cnx) 02{ 03var cmd = cnx.CreateCommand(); 04cmd.CommandText = "SELECT * FROM dbo.Documents"; 05... 06cnx.Open(); 07 08ReadDocument(reader); } You need to ensure that data can be read as a stream. Which code segment should you insert at line 07?
Options- A. var reader = cmd.ExecuteReader(CommandBehavior.Default);
- B. var reader = cmd.ExecuteReader(CommandBehavior.SchemaOnly);
- C. var reader = cmd.ExecuteReader(CommandBehavior.KeyInfo);
- D. var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess); Discuss
- 9. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Communication Foundation (WCF) Data Services service. You discover that when an application submits a PUT or DELETE request to the Data Services service, it receives an error. You need to ensure that the application can access the service. Which header and request type should you use in the application?
Options- A. an X-HTTP-Method header as part of a POST request
- B. an X-HTTP-Method header as part of a GET request
- C. an HTTP ContentType header as part of a POST request
- D. an HTTP ContentType header as part of a GET request Discuss
- 10. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to model entities. The application allows users to make changes to entities while disconnected from the central data store. You need to ensure that when the user connects to the central data store and retrieves new data, the application meets the following requirements: Changes made to the local data store in disconnected mode are preserved. Entities that have already been loaded into the local data store, but have not been modified by the user, are updated with the latest data. What should you do?
Options- A. Call the query's Execute method by using the MergeOptions.AppendOnly option.
- B. Call the query's Execute method by using the MergeOptions.OverwriteChanges option.
- C. Call the Refresh method of ObjectContext by using the RefreshMode.StoreWins option.
- D. Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method. Discuss
Microsoft Certification problems
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Correct Answer: Add the following directive to the page: OutputCache VaryByParam=?
Explanation:
You can vary user control output to the cache by specifying the user control name and the parameter. We use the VaryByParam attribute of the OutputCache
Incorrect Answers:
A: The Packet Size property of the Connection string is the size in bytes of the network packets sed to communicate with an instance of data provider. It is not an optimal property to change to optimize data retrieval.
C: The company database does not seem to include a region column.
D: If we keep the connection pool small we would allow less simulation connections. However, this would not minimize the required to retrieve and display the data.
Correct Answer: In the Web.config file for the application, set the culture attribute of the globalization element to en-NZ.
Explanation:
The culture attribute of the globalization element specifies the default culture for processing incoming Web requests.
Incorrect Answers:
B: The uiculture attribute of the globalization specifies the default culture for processing locale dependent resource searches. It does not apply in this scenario.
C, D: The UTF8Encoding Class class encodes Unicode characters using UCS Transformation Format, 8-bit form (UTF-8). This encoding supports all Unicode character values and surrogates. However, it does not help in displaying data in New Zealand format.
Correct Answer: Set the RepeatDirection property to Horizontal.
Explanation:
The DataList.RepeatDirection property is used to get or select whether the DataList control displays vertically or horizontally. If this property is set to RepeatDirection.Horizontal, the items in the list are displayed in rows loaded from left to right, then top to bottom, until all items are rendered.
Incorrect Answers:
A: If the DataList.RepeatDirection property is set to RepeatDirection.Vertical, the items in the list are displayed in columns loaded from top to bottom, then left to right, until all items are rendered.
C, D:DataList.RepeatLayout Property gets or sets whether the control is displayed in a table or flow layout. It does not affect the order in which the items are displayed.
Correct Answer: The current value of OrderDetails.KeyDeleteRule is Rule.None.
Explanation:
The rule enumeration indicates the action that occurs when a ForeignKeyConstraint is enforced.None specifies that no action will occur, but exceptions are generated. This is what has occurred in this scenario.
Incorrect Answers:
A: Cascade specifies that all rows containing that value are also deleted.
B: SetNull specifies that values in all child columns are set to null values.
C: SetDefault specifies that all child columns be set to the default value for the column.
Correct Answer: ?Data Source=XYZ01\Factory; Database=FactoryDB; Integrated Security=SSP1?
Explanation:
The Data Source attribute of the connection string contains the name, instance or network address of the instance of SQL Server to which to connect. In this scenario we are to connect to the Factory Instance on XYZ01 so we use XYZ01\Factory as data source. To specify the database we should either use the Database or the Initial Catalog attribute. Here we use Database=FactoryDB.
Incorrect Answers:
A, B: There is no Server attribute in the connection string. Instead we should use the Data Source attribute to specify the server and the instance.
C: There is no Initial Category attribute in the connection string. We can use Database or the Initial Catalog attribute to specify the database.
Correct Answer: Create an installer that has a custom action to install only location-specific files.
Explanation:
Custom actions are a Windows Installer feature that allows you to run code at the end of an installation to perform actions that cannot be handled during installation. This is an appropriate solution for this scenario as we only want to deploy the resource files on the server.
Incorrect Answers:
A: We just want to deploy the resource files. We do not need to set the Context property in the application.
B: We don?t need any launch conditions. We just want to deploy the resource files.
D: We just want to deploy the resource files.
Correct Answer: Use Microsoft Windows authentication in the application. Use a single Windows account for users to access the SQL Server database from your application.
Explanation:
We should only use one account to access the SQL Server database. This ensures that connection pooling is optimized.
Incorrect Answers:
A: We should only use a single account to access the SQL Server database.
C: Form-based authentication is less secure. Furthermore, running as the System Administrator with the sa login would compromise security.
D: Form-based authentication is less secure. Furthermore, creating a separate SQL Server login for each user is a daunting administrative task.
Correct Answer: var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
Correct Answer: an X-HTTP-Method header as part of a POST request
Correct Answer: Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method.
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