Question 1.
DRAG DROP
Exhibit:

There is a WCF (Windows Communication Foundation) service PassGuideService.
PassGuideService use address tcp:www.PassGuide.com/PassGuideService to listens for messages.
The logical address is www.PassGuide.com/PassGuideService
The WCF client is configured as in the exhibit.
However, the client is unable to communicate with the server.
In what way must the configuration be adjusted?

Answer:

Question 2.
There is a WCF (Windows Communication Foundation) service PassGuideService. PassGuideService has a callback contract.
There is a client application PassGuideClient.
PassGuideClient calls PassGuideService.

How can you ensure that PassGuideClient and PassGuideService can communicate? Select two.

A. Use the OperationContractAttribute..
B. On PassGuideService..
C. On PassGuideClient..
D. ..set set the Async Pattern property value to false
E. ..set set the Async Pattern property value to true
F. ..use GetCallbackChannel 
G. ..add a proxy derived from DuplexClientBase 

Answer: C, G

Explanation:

Question 3.
There is a WCF (Windows Communication Foundation) service PassGuideService.
PassGuideService has a callback contract.
There is a client application PassGuideClient.
PassGuideClient calls PassGuideService.

How can you ensure that PassGuideClient and PassGuideService can communicate? Select two.

A. Use the OperationContractAttribute..
B. On PassGuideService..
C. On PassGuideClient..
D. ..set set the Async Pattern property value to false
E. ..set set the Async Pattern property value to normal
F. ..use GetCallbackChannel (Of T)
G. ..add a proxy derived from DuplexClientBase (Of TChannel)

Answer: C, G

Explanation:

Question 4.
DRAG DROP
There is a WCF (Windows Communication Foundation) service PassGuideService.
PassGuideService supports transactions. Messages handled by PassGuideService must be encoded using a binary encoding, must be secured using Windows stream-based security, and must be sent over TCR.
PassGuideService must implement a custom binding for the service.

How should the stacking order be defined?

Answer:

Question 5.
DRAG DROP
There is a WCF (Windows Communication Foundation) application PassGuideApp.
PassGuideApp exposes a service as and end point (SOAP) for consumption by cross-platforms clients. You want to log messages that the service receives from the client.

What action should you take?

Answer:

Question 6.
There is a WCF (Windows Communication Foundation) service PassGuideService.
PassGuideService communicates with a database PassGuideDB.
PassGuideDB uses a workflow engine.
PassGuideDB handles data access authorization. A security exception is raised an unauthorized user tries to access PassGuideDB. This exception must be transmitted the client that is calling PassGuideService.

How can this be achieved? Select two.

A. Use PassGuideDB..
B. Use PassGuideService..
C. ..and configure service Debug.
D. ..and configure router.
E. ..and configure router Security Audit.
F. ..and configure Unhandled Exception

Answer: B, C

Explanation:

Question 7.
There is a WCF (Windows Communication Foundation) service PassGuideService.
There are out of-process process resources that PassGuideService must access on behalf of an originating caller. 

What should you do?

A. Use the service contract PrincipalPermissionAttribute..
B. Use ServiceSecurityContext.CurrentWindowsidentity.ImpersonationLevel..
C. ..and set the value to…
D. ..and change the value of bindingConfiguration attribute in the endpoint element of the configuration file to..
E. .. TokenImpersonationLevelDelegation
F. .. wsHttpBinding
G. .. ssHttpBinding
H. .. Impersonation

Answer: B, C, E

Explanation:

Question 8.
There is WCF (Windows Communication Foundation) application PassGuideApp. There is a data contract PassGuideData, with several data members, that is used by PassGuideApp. Consider a serialized instance of PassGuideData which is deserialized. If any of data members are not available PassGuideApp must throw a Serialization Exception.

What action should you take? Select three.

A. For each data member…
B. Use PassGuideData and..
C. Set a default value in each of the data member declarations.
D. Set the IsRequired property..
E. Emit Default Value proper..
F. Order property..
G. add the Unknown Type attribute.
H. add the Known Type attribute.
I.  to false.
J.  to true.
K.  to a unique integer value.
L.  to a unique string value.

Answer: A, D, J

Explanation:

Question 9.
DRAG DROP
There is a WCF (Windows Communication Foundation) service PassGuideService. PassGuideService exposes the operations PassGuide1 and PassGuide2.
PassGuide1 should run with the identity of the client.
PassGuide2 should run with the identity of the PassGuideService.

How can this be achieved?

Answer:

Question 10.
DRAG DROP
There is a WCF (Windows Communication Foundation) service PassGuideService. PassGuideService handles accounting related processes.
You must ensure that PassGuideService runs with the identity of the application that is calling
PassGuideService.

How can this be ensured?

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