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Microsoft 070-503 Exam Syllabus Topics:

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

Question 1

You create a Windows Communication Foundation (WCF) application by using Microsoft .NET Framework 3.5. The desktop client calls the WCF service to query its status. The call can take up to 10 seconds to complete. The client application must remain responsive when querying the service. You need to generate the required proxy.
What should you do?

A. Clear the Generate asynchronous operation check box in the Add Service Reference Settings dialog box.
B. Execute the svcutil /validate /serviceName:MyWCF myServiceHost.exe command.
C. Execute the svcutil http: //localhost:8000/MyWCF /async command.
D. Execute the svcutil myServiceHost.exe /serviceName:MyWCF command.

Question 2

You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. Client applications that run on different platforms access the WCF service.
These applications transmit confidential data to the WCF service. You write the following binding configuration.
....
<binding name="TransportSecurity" >
<security mode="Transport" />
</binding>
...
You need to configure the service for optimum interoperability and optimum security.
Which code fragment should you use?

A. Option D
B. Option A
C. Option C
D. Option B

Question 3

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize
client applications. You write the following code segment. Class Store Implements IStore Public Sub RemoveOrder(ByVal ordered As Integer) _
Implements IStore. RemoveOrder End Sub End Class You need to ensure that only
those client applications that meet the following criteria can access the RemoveOrder method: "AdminUser" is the subject in the client certificate.
"1 bf47e90O0acf4c0089cda65e0aadcf1 cedd592" is the thumbprint in the client certificate. What should you do?

A. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Name:="AdminUser;1bf47e90C0acf4c0089cda65e0aadcf1cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="Windows7>
B. Decorate the RemoveOrder method by using the following attribute. <PrincipalPermission(SecurityAction. Demand, _Name:="CN=AdminUser;1bf47e90100acf4c0089cda65e0aadcf1cedd592")> _ Initialize the serviceAuthorization element of the service behavior in the following manner. <serviceAuthorization principalPermissionMode="UseAspNetRoles7>
C. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Role:="CN=AdminUser,1bf47e9000acf4c0089cda65eOaadcf1cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="Windows7>
D. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Role:="AdminUser,1 bf47e90100acf4c0089cda65e0aadcf1 cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="UseAspNetRoles7>

Question 4

How do you ensure Clipboard content is available if Service or client application is restarted?

A. Do a Copy() and Paste() to a local file, then when the service is restarted, read text from the local file.
B. Increase session timeout to 60 minutes
C. Apply [DurableService] attribute to service and [DurableOperation] to each method.
D. Modify service to use [ServiceBehavior(InstanceContextMode=InstanceContextMode. Single)]

Question 5

You are creating a client application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
The client application uses a Personal Information Card to provide authentication information to the WCF server. You write the following code fragment. (Line numbers are included for reference only.)

You need to ensure that one of the claims in the Personal Information Card contains an e-mail address.
Which code fragment should you insert at line 05?

A. Option D
B. Option A
C. Option C
D. Option B

Solutions: