Microsoft 070-503

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Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You are creating a remote database management application by using Microsoft Windows Forms and Microsoft .NET Framework 3.5. You use the Windows Communication Foundation model to create the application.
You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that each time a client application calls the Open() method, a new service instance is created.
Which code segment should you insert at line 03?

A) <OperationBehavior( _ ReleaseInstanceMode:=ReleaseInstanceMode.None)> _
B) <OperationBehavior( _ ReleaseInstanceMode:=ReleaseInstanceMode.BeforeCall)> _
C) <OperationBehavior(TransactionScopeRequired:=True)> _
D) <OperationBehavior(AutoDisposeParameters:=True)> _

2. You are creating an application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application. The YourUserNamePasswordValidator class is implemented in the host application of the WCF service. The host application is named YourServiceHost.exe. You write the following code segment.
namespace YourSecureService
{
class YourUserNamePasswordValidator : UserNamePasswordValidator {
public override void Validate(string userName, string password)
{
...
}}
}
You need to perform custom validation of the user name and password by using the YourUserNamePasswordValidator class. What should you do?

A) Set the netTcpBinding binding in the following manner. <security mode="Transport">
<transport
clientCredentialType="UserName" /></security> Set the service behavior by using the
following credentials.
<userNameAuthentication customUserNamePasswordValidatorType="YourSecureService.
YourUserNamePasswordValid ator " userNamePasswordValidationMode="Custom"/>
B) Set the wsHttpBinding binding in the following manner. <security mode="Message">
<message
clientCredentialType="UserName" /></security> Set the service behavior by using the
following credentials.
<userNameAuthentication customUserNamePasswordValidatorType="YourSecureService.
YourUserNamePasswordValid a or,YourServiceHost"
userNamePasswordValidationMode="Custom"/>
C) Set the wsHttpBinding binding in the following manner. <security mode="Message">
<message
clientCredentialType="UserName" /></security> Set the service behavior by using
thefollowing credentials.
<userNameAuthentication
customUserNamePasswordValidatorType="YourSecureService.YourUserNamePasswordV
alid ator"
userNamePasswordValidationMode="Custom"/>
D) Set the wsHttpBinding binding in the following manner. <security mode="Message">
<transport
clientCredentialType="UserName" /></security> Set the service behavior by using the
following credentials.
<userNameAuthentication
customUserNamePasswordValidatorType="YourUserNamePasswordValidator,
YourServiceHo st" userNamePasswordValidationMode="Custom"/>

3. You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
The application uses the XML data format to exchange data with the service.
You plan to change the data format to JavaScript Object Notation (JSON).
You need to ensure that the client application can access the JSON WCF service.
What should you do?

A) Option D
B) Option B
C) Option C
D) Option A

4. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

You need to ensure that the service commits the transaction only when the session is closed.
Which code segment should you use to implement the service?

A) Option D
B) Option B
C) Option C
D) Option A

5. You have created a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The existing service interface is named IMyService, and contains the following code segment.

You create a new service named IMyServiceVI that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?

A) Option D
B) Option B
C) Option C
D) Option A

Solutions: