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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application.
The application contains the following code segment. (Line numbers are included for reference only.)
01 class DataAccessLayer
02 {
03 private static string connString;
04
05 ...
06 public static DataTable GetDataTable(string command){
07
08 ...
09 }
10 }
You need to define the connection life cycle of the DataAccessLayer class. You also need to ensure that
the application uses the minimum number of connections to the database.
What should you do?

A) Insert the following code segment at line 07. using (SqlConnection conn = new SqlConnection(connString)){
conn.Open();
}
B) Insert the following code segment at line 04. private SqlConnection conn = new SqlConnection(connString); public void Open(){
conn.Open();
}
public void Close(){
conn.Close();
}
C) Replace line 01 with the following code segment.
class DataAccessLayer : IDisposable
Insert the following code segment to line 04.
private SqlConnection conn = new SqlConnection(connString);
public void Open(){
conn.Open();
}
public void Dispose(){
conn.Close();
}
D) Insert the following code segment at line 04. private static SqlConnection conn = new SqlConnection(connString); public static void Open(){
conn.Open();
}
public static void Close(){
conn.Close();
}

2. You are creating a Windows Communication Foundation (WCF) service that accepts messages from
clients when they are started.
The message is defined as follows.
[MessageContract] public class Agent {
public string CodeName { get; set; }
http://www.test4pass.com Leading the way in IT Certification Exams
public string SecretHandshake { get; set; }
}
You have the following requirements:
"The CodeName property must be sent in clear text.
The service must be able to verify that the property value was not changed after being sent by the client.
"The SecretHandshake property must not be sent in clear text and must be readable by the service. What should you do?

A) Add a DataProtectionPermission attribute to the each property and set the ProtectData property to true.
B) Add a MessageBodyMember attribute to the CodeName property and set the ProtectionLevel to Sign. Add a MessageBodyMember attribute to the SecretHandshake property and set the ProtectionLevel to EncryptAndSign.
C) Add an ImmutableObject attribute to the CodeName property and set its value property to true. Add a Browsable attribute to the SecretHandshake property and set its value to false.
D) Add an XmlText attribute to the CodeName property and set the DataType property to Signed. Add a PasswordPropertyText attribute to the SecretHandshake property and set its value to true.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use
the ADO.NET Entity Framework to model your entities.
You use Plain Old CLR Objects (POCO) entities along with snapshot-based change tracking. The code
accesses the POCO entities directly.
You need to ensure that the state manager synchronizes when changes are made to the object graph.
Which ObjectContext method should you call?

A) SaveChanges
B) DetectChanges
C) ApplyPropertyChanges
D) Refresh

4. You are implementing an ASP. NET MVC 2 Web application. You add a controller named
CompanyController.
You need to modify the application to handle the URL path /company/info.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Right-click the Views folder, and select View from the Add submenu to create the view for the action.
B) Right-click inside the action method in the CompanyController class, and select Add View to create a view for the action.
C) Add the following method to the CompanyController class. public ActionResult Info () {
return View();
}
D) Add the following method to the CompanyController class. public ActionResult Company_Info() {
return View();
}

5. You are implementing an ASP.NET AJAX page. You add two UpdatePanel controls named pnlA and pnlB.
pnlA contains an UpdatePanel control named pnlAInner in its content template.
You have the following requirements.
?Update panels pnlA and pnlB must refresh their content only when controls that they contain cause a
postback.
?Update panel pnlAInner must refresh its content when controls in either pnlA or pnlB or pnlAInner cause a
postback.
You need to configure the panels to meet the requirements.
What should you do?

A) Set the UpdateMode of pnlA and pnlB to Always. Set the UpdateMode of pnlAInner to Always, and add AsyncPostBackTrigger elements to its Triggers element for every control in pnlB.
B) Set the UpdateMode of pnlA and pnlB to Always. Set the UpdateMode of pnlAInner to Conditional.
C) Set the UpdateMode of pnlA and pnlB to Conditional. Set the UpdateMode of pnlAInner to Always.
D) Set the UpdateMode of pnlA and pnlB to Conditional. Set the UpdateMode of pnlAInner to Conditional, and add AsyncPostBackTrigger elements to its Triggers element for every control in pnlA.

Solutions: