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

Your company has an existing Windows Communication Foundation (WCF) service. The following code segment is part of the service. (Line numbers are included for reference only.)

You need to ensure that AJAX client applications can access the service. Which code segment should you insert at line 02?

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

You create a Windows Communication Foundation (WCF) sen/ice. It is deployed on Microsoft Internet Information Services (IIS) with an application pool running as Network Service. You enable WMI tracing before launching the service. Your IT support staff adds WMI data collection through ASP.NET WMI tracing.
You need to restrict the collection of WMI data to a privileged account.
What should you do in WMI Control in the Computer Management console?

• A. Select the Root\aspnet namespace.
  Remove Enable account permission for the Local System account.
  Add a custom user and grant that user Enable account permission.
• B. Select the Root\Security namespace.
  Remove Enable account permission for the Local System account.
• C. Select the Root\aspnet namespace.
  Remove Enable account permission for the Network Service account.
  Add a custom user and grant that user Enable account permission.
• D. Select the Root\ServiceModel namespace.
  Remove Enable account permission for the Network Service account.
  Add a custom user and grant that user Enable account permission.

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://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>
• B. <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>
• 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://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>