單項選擇題

You are creating an application using Visual Studio 2010. The application consumes a Windows Communication Foundation (WCF) service.You are adding a service reference to the WCF service. You need to ensure that the generated proxy does not block the calling thread when executing a service method.
What should you do when adding the service reference? （）

A. Set the Collection type to ObservableCollection.
B. Select the Reuse types in all referenced assemblies option.
C. Select the Generate asynchronous operations option.
D. Select the Always generate message contracts option.

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單項選擇題

You are developing a Windows Communication Foundation (WCF) REST service to provide access to a library book catalog. The following code segment defines the service contract. (Line numbers are included for reference only.)
01 [ServiceContract()]
02 [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
03 public Class LibraryService
04 {
05 public Book GetBookByTitle(string title)
06 {
07 ...
08 }
09
10 [WebGet(UriTemplate = "Book/{id}")]
11 public Book GetBookById(string id)
12 {
13 ...
14 }
15 }Library patrons want the ability to search the catalog by title.You need to ensure that the GetBookByTitle method is exposed as a service method.Which code segment should you insert at line 04?（）

A. [WebGet(UriTemplate = "Book/{title}")]
B. [WebGet(UriTemplate = "BookByTitle/{title}")]
C. [WebGet(UriTemplate = "Book/{titleToSearch}")]
D. [WebGet(UriTemplate = "{titleToSearch}")]

單項選擇題

You are developing a Windows Communication Foundation (WCF) service.
You need to enable security auditing for all events.
What should you do?（）

A. Set the serviceAuthorizationAuditLevel setting to Success and the messageAuthenticationAuditLevel setting to Success.
B. Set the messageAuthenticationAuditLevel setting to Success and the auditLogLocation setting to Application.
C. Set the serviceAuthorizationAuditLevel setting to SuccessAndFailure and the messageAuthenticationAuditLevel setting to SuccessAndFailure.
D. Set the messageAuthenticationAuditLevel setting to SuccessAndFailure and the auditLogLocation setting to Security.

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You are developing a Windows Communication Foundation (WCF) service. You need to enable security auditing for all events. What should you do?（）

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You are developing a Windows Communication Foundation (WCF) service.
You need to enable security auditing for all events.
What should you do?（）