Q1. - (Topic 2) 

You are implementing a method named ProcessReports that performs a long-running task. The ProcessReports() method has the following method signature: 

public void ProcessReports(List<decimal> values,CancellationTokenSource cts, CancellationToken ct) 

If the calling code requests cancellation, the method must perform the following actions: 

. Cancel the long-running task. 

. Set the task status to TaskStatus.Canceled. 

You need to ensure that the ProcessReports() method performs the required actions. 

Which code segment should you use in the method body? 

A. if (ct.IsCancellationRequested) return; 

B. ct.ThrowIfCancellationRequested() ; 

C. cts.Cancel(); 

D. throw new AggregateException(); 

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Q2. HOTSPOT - (Topic 2) 

You have the following code: 

For each of the following statements, select Yes if the statement is true. Otherwise, select No. 

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Q3. - (Topic 2) 

An application is throwing unhandled NullReferenceException and FormatException errors. The stack trace shows that the exceptions occur in the GetWebResult() method. 

The application includes the following code to parse XML data retrieved from a web service. (Line numbers are included for reference only.) 

You need to handle the exceptions without interfering with the existing error-handling infrastructure. 

Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.) 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q4. - (Topic 1) 

You are adding a public method named UpdateScore to a public class named ScoreCard. 

The code region that updates the score field must meet the following requirements: . It must be accessed by only one thread at a time. . It must not be vulnerable to a deadlock situation. You need to implement the UpdateScore() method. 

What should you do? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q5. DRAG DROP - (Topic 1) 

You are developing an application that includes a class named Customer. 

The application will output the Customer class as a structured XML document by using the following code segment: 

You need to ensure that the Customer class will serialize to XML. 

How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

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Q6. - (Topic 2) 

You are developing an application that includes methods named ConvertAmount and TransferFunds. 

You need to ensure that the precision and range of the value in the amount variable is not lost when the TransferFunds() method is called. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q7. - (Topic 2) 

You have the following class (line numbers are included for reference only): 

ServiceProxy is a proxy for a web service. Calls to the Update method can take up to five seconds. The Test class is the only class the uses Class1. 

You run the Execute method three times, and you receive the following results: 312 231 

You need to ensure that each value is appended to the Value property in the order that the Modify methods are invoked. 

What should you do? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q8. HOTSPOT - (Topic 2) 

You have the following code (line numbers are included for reference only): 

To answer, complete each statement according to the information presented in the code. 

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Q9. DRAG DROP - (Topic 1) 

You are developing a class named ExtensionMethods. 

You need to ensure that the ExtensionMethods class implements the IsEmail() method on string objects. 

How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

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Q10. - (Topic 1) 

You are developing an application. The application calls a method that returns an array of integers named customerIds. You define an integer variable named customerIdToRemove and assign a value to it. You declare an array named filteredCustomerIds. 

You have the following requirements. 

Remove duplicate integers from the customerIds array. 

Sort the array in order from the highest value to the lowest value. 

Remove the integer value stored in the customerIdToRemove variable from the 

customerIds array. 

You need to create a LINQ query to meet the requirements. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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