TS: Web Applications Development with Microsoft .NET Framework 4

Question 1

You are dynamically adding controls to an ASP.NET page in the Page_Load event handler.
The page will have text boxes that correspond to the columns in a database table.
Each text box will be preceded by a label that displays the name of the corresponding column.
You need to create the form so that when the user clicks the label, the corresponding text box is selected
for input.
What should you do?

A. For each column, output the following HTML, where COL is replaced by the name of the column.
<label AssociatedControlID="COL">COL</label>
<input name="COL" type="text" id="COL" />

B. For each column, create an asp:Label control and set the AssociatedControlID to the ID of the corresponding asp:Textbox control.

C. For each column, create an asp:Label control and a corresponding asp:TextBox that have the same ID.

D. For each column, output the following HTML, where COL is replaced by the name of the column.
<label>COL</label>
<input name="COL" type="text" id="COL" />

Correct Answer: B

Question 2

You are developing an ASP.NET web application.
The application includes a class library named Contoso.dll that will be used by other ASP.Net applications
on the same server.
You need to ensure that only one copy of the class library exists on the server.
What should you do?

A. Add the following assembly attribute to the Contoso class library's AssemblyInfo.cs file. [assembly: AssemblyConfiguration("Shared")]

B. Install the class library into the Global Assembly Cache on the server.

C. Deploy the class library on the App_Code folder

D. Add the following code segment to the top of each web page.
<%@ Register TagPrefix="cc" NameSpace="contoso"
Assembly="contoso" %>

Correct Answer: B

Question 3

Which property of the ListView class is used to get\set the name of the data field whose value exclusively identifes every data row of a ListView when the ClientIDMode property is set to Predictable?

A. ClientIDRowSuffix

B. ClientIDMode

C. UniqueID

D. LoadViewStateByID

Correct Answer: A

Question 4

Which method of the ChildActionExtensions class calls a child action method and renders the result inline in the parent view?

A. Render

B. Action

C. RenderPartial

D. RenderAction

Correct Answer: D

Question 5

You are developing an ASP.Net MVC 2 view and controller.
The controller includes an action method that retrieves rows from a Product table in Microsoft SQL Server
database.
You need to cache the data that the action method returns.
What should you do?

A. Add the following <outputCacheSettings> section to the web.config file. <system.web> <caching> <outputCacheSettings> <outputCacheProfiles> <add name="ProductView" duration="60" varyByParam="*"/> </outputCacheProfiles> </outputCacheSettings> </caching> </system.web>

B. Add the following line of code to the controller. Cache.insert("key", "ProductView", null, DateTime.Now.AddMinutes(60),TimeSpan.Zero);

C. Add the following directive to the top of the view <%@ OutPutCache Duration="60" VaryByParam="*" %>

D. Add the following attribute to the action method [OutputCache(Duration=60)];

Correct Answer: D

Question 6

You are developing an ASP.NET MVC2 view and controller.
The application includes a class names Employee that has a LastName property. The controller requires an
action method that will insert an Employee
instance into a database.
You need to ensure that the data that is submitted is an Employee instance and that a LastName value is
given.
What should you do?

A. Add the Required attribute to the LastName property. Define the action method as follows. public ActionResult Create(FormCollection employeeToCreate) {...}

B. Add the Required attribute to the LastName property. Define the action method as follows. public ActionResult Create(Employee employeeToCreate) {...}

C. Add the ValidationMessage helper method immediately after the views last name TextBox. Define the action method as follows. public ActionResult Create(Employee employeeToCreate) {...}

D. Add a ValidationMessage helper method immediately after the view's last name TextBox. Define the action method as follows. public ActionResult Create(FormCollection employeeToCreate) {...}

Correct Answer: B

Question 7

You are implementing an ASP.NET Web site. The site contains the following class.
public class Address
{ public int AddressType; public string Line1; public string Line2; public string City; public string ZipPostalCode;
}
The Web site interacts with an external data service that requires Address instances to be given in the following XML format.
<Address AddressType="2"> <Line1>250 Race Court</Line1> <City>Chicago</City> <ZipCode>60603</ZipCode>
</Address>
You need to ensure that Address instances that are serialized by the XmlSerializer class meet the XML
format requirements of the external data service.
Which two actions should you perform (Each correct answer presents part of the solution. Choose two.)

A. Add the following attribute to the Line2 field.
[XmlElement(IsNullable=true)]

B. Add the following attribute to the ZipPostalCode field.
[XmlElement("ZipCode")]

C. Add the following attribute to the AddressType field.
[XmlAttribute]

D. Add the following attribute to the ZipPostalCode field.
[XmlAttribute("ZipCode")]

Correct Answer: B,C

Question 8

You are developing an ASP.NET Web page. You add the following markup to the page.
<asp:FileUpload id="FileUpload1" runat="server" />
<asp:Button id="btnUpload" Text="Upload selected file"
OnClick="btnUpload_Click" runat="server" />
<asp:Label id="lblFeedback" runat="server" />
You add the following code segment to the code-behind. (Line numbers are included for reference only.)
01 protected void btnUpload_Click(object sender, EventArgs e)
02 {
03 if (...)
04 {
05 string saveName = Path.Combine(@"c:\uploadedfiles\",
FileUpload1.FileName);
06
07 lblFeedback.Text = "File successfully uploaded.";
08 }
09 else
10 {
11 lblFeedback.Text = "File upload failed.";
12 }
13 }
You need to save the uploaded file and display a message to the user that indicates that the upload either
succeeded or failed.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A. Insert the following code segment at line 6.
FileUpload1.SaveAs(saveName);

B. Replace line 3 with the following code segment.
if (FileUpload1.HasFile)

C. Insert the following code segment at line 6.
FileUpload1.FileContent.CopyTo(new FileStream(saveName, FileMode.Open);

D. Replace line 3 with the following code segment.
if (FileUpload1.FileContent.Length > 0)

Correct Answer: A,B

Question 9

Which tool is used to simplify the migration, management and deployment of IIS Web servers, Web applications and Web sites?

A. System Designer

B. XCOPY deployment

C. Web Deployment

D. Deployment Designer

Correct Answer: C

Question 10

You are implementing an ASP.NET AJAX page that contains two div elements.
You need to ensure that the content of each div element can be refreshed individually, without requiring a
page refresh.
What should you do?

A. Add two forms to the page. Add a script manager and an update panel to each form. Add a content template to each update panel, and move each div element into a content template.

B. Add a form and two update panels to the page. Add a script manager to the form. Add a content template to each update panel, and move a div element into each content template.

C. Add two forms to the page. Add a script manager and an update panel to each form. Add a content template to each update panel, and move each div element into a content template.

D. Add a form and two update panels to the page. Add two script managers to the form, one for each update panel. Add a content template to each update panel, and move each div element into a content template.

Correct Answer: B

Question 11

Which directive defines master page-precise attributes that are used by the ASP.NET page parser and compiler?

A. @ MasterPage

B. @ Master

C. @ MasterType

D. @ PageType

Correct Answer: B

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Question 12

You are developing an ASP.NET MVC 2 Web application.
A page makes an AJAX request and expects a list of company names in the following format.
["Adventure Works","Contoso"]
You need to write an action method that returns the response in the correct format. Which type should you return from the action method?

A. DataContractJsonSerializer

B. AjaxHelper

C. XDocument

D. JsonResult

Correct Answer: D

Question 13

You are developing an ASP.NET Web page. The page contains the following markup.
<asp:GridView ID="gvModels" runat="server" onrowdatabound="gvModels_RowDataBound" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="Name" HeaderText="Model" />
<asp:TemplateField>
<ItemTemplate> <asp:Image ID="img" runat="server" /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView>
The pages code-behind file includes the following code segment. (Line numbers are included for reference only.)
01 protected void gvModels_RowDataBound(object sender, GridViewRowEventArgs e)
02 {
03 if (e.Row.RowType == DataControlRowType.DataRow)
04 {
05 CarModel cm = (CarModel)e.Row.DataItem;
06
07 img.ImageUrl = String.Format("images/{0}.jpg", cm.ID);
08 09 } 10 }
You need to get a reference to the Image named img. Which code segment should you add at line 06?

A. Image img = (Image)Page.Form.FindControl("img");

B. Image img = (Image)e.Row.FindControl("img");

C. Image img = (Image)gvModels.FindControl("img");

D. Image img = (Image)Page.FindControl("img");

Correct Answer: B

Question 14

You are implementing an ASP.NET application.
The application includes a Person class with property Age.
You add a page in which you get a list of Person objects and display the objects in a GridView control.
You need to add code so that the GridView row is highlighted in red if the age of the person is less than 18.
Which GridView event should you handle?

A. RowUpdated

B. RowDataBound

C. RowEditing

D. RowCommand

Correct Answer: B

Microsoft TS: Web Applications Development with Microsoft .NET Framework 4 - 070-515 Exam Practice Test

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