單項選擇題

You work as an application developer at Certkiller .com. You have recently created an application that includes the code shown below. public delegate stringGetFileContentsDel （）； public string GetFileContents （） {
//Process file and return results }
You now need to invoke the GetFileContents method asynchronously.
You have to ensure that the code you use to invoke the GetFileContents method will continue to process other user instructions， and displays the results as soon as the GetFileContents method finishes processing.What should you do？（）

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

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單項選擇題

You work as an application developer at Certkiller .com. You have created a Windows service application for the purpose of monitoring the number of active service requests running on Certkiller .com’s server.
You want to configure this Windows service application to produce a report every ten minutes. You start by placing the reporting logic in the GenerateReport method of this Windows service.You want to create a Timer object that invokes this method every ten minutes.What should you do？（）

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

單項選擇題

You work as an application developer at Certkiller .com. You are currently in the process of developing a business logic component that requires long calculations. You have identified numerous tasks within this application that can be done asynchronously. You notice that these tasks are mutually dependent and require complex synchronization techniques so that it can manage efficiently. You decide to use Microsoft .NET 2.0 to take advantage of its new thread management features. You need to create and start the application threads. What should you do？（）

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