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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are creating a Windows Communication Foundation (WCF) service.
You need to ensure that the service is compatible with ASP.NET to make use of the session state.
Which binding should you use?

A) NetTcp ContextBinding
B) NetTcp Binding
C) BasicHttpContextBinding
D) NetMsmqBinding

2. You are modifying a Windows Communication Foundation (WCF) service that provides access to report generation system. The following code segment is part of your service contract. (Line numbers are included for reference only.)

Client applications are blocked while the service processes reports. You need to ensure that the service methods are asynchronous. What should you do?

A) Insert the following code at line 04. [OperationConcracc(AayncPaccern = true)]
B) Insert the following code at line 04. [OperotionConcroct(AsyncPactern = false) Insert the following code at line 07. [OperacionConcracc(AsyncPactern = true)]
C) Insert the following code at line 04. [OperationContract] Insert the following code at line 07. [OperationConcracc(AsyncPactern = true)]
D) Insert the following code at line 04. [OperationContract (AsyncPattern = false)]

3. You have a Windows Communication Foundation (WCF) service that accepts the following message contract.

You need to ensure that the client sends a SOAP body that is accepted by the service.

A) <Ticket xmlns="http://wwv.movies.com">
<ShowTime
xmlns-"http://www.movietheatec.com">
2010-07-05TOO:51:10.0999304-05:00
</ShowTime>
<Number Of Seats
xmlns="http://www.movietheater.com"> 0
</NumbecOfSeats>
<ReservationName xmlns""http://www.movietheotec.com" />
</Ticket>
B) <Ticket xmlns="http://www. movietheatec.com">
<ShowTime
xmlns-"http://www.movietheater.com">
2010-07-05TOO:51:10.0999304-05:00
</ShowTime>
<NumberOfSeats
xmlns="http://wwv.movietheatec.com"> 0
</NumberOfSeats>
<ReservationName
xmlns="http://www.movletheatec.com" />
</Ticket>
C) <Ticket xmlns="http://www.movies. com">
<NumberOfSeats
xmlns="http : //www.movietheater . com">
</NumberOfSeats>
<ReservationName xmlns="http://www.movietheater .com" />
<ShowTime
xmlns="http://www.movietheater.com">
2010-07-05T00:SI:10.0999304-05:00
</ShowTime>
</Ticket>
D) <Ticket xmlns="http://www.movietheater.com"> <ShowTime
xmlns="http : //www.movietheater . com">
2010-07-05T00:51:10.0999304-05:00
</ShowTime>
<ReservationName xmlns="http://www.movietheater.com" />
<NumberOfSeats
xmlns="http://www.movietheater.com">
</NumberOfSeats>
</Ticket>

4. You are developing a data contract for a Windows Communication Foundation (WCF) service.
The data in the data contract must participate in round trips. Strict schema validity is not required.
You need to ensure that the contract is forward-compatible and allows new data members to be added to it.
Which interface should you implement in the data contract class?

A) IExtensibleObject(Of T)
B) IExtensibleDataObject
C) ICommunicationObject
D) IExtension(Of T)

5. You develop a Windows Communication Foundation (WCF) service that contains the following code segment. (Line numbers are included for reference only.)

You need to ensure that all service endpoints are available to client applications. Which code segment should you insert at line 04?

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

Solutions: