Q1. - (Topic 1) 

You are developing an application that includes a class named UserTracker. The application includes the following code segment. (Line numbers are included for reference only.) 

You need to add a user to the UserTracker instance. What should you do? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q2. - (Topic 2) 

You have the following code: 

You need to retrieve all of the numbers from the items variable that are greater than 80. Which code should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q3. DRAG DROP - (Topic 1) 

You are implementing a method that creates an instance of a class named User. The User class contains a public event named Renamed. The following code segment defines the Renamed event: 

Public event EventHandler<RenameEventArgs> Renamed; 

You need to create an event handler for the Renamed event by using a lambda expression. 

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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Q4. - (Topic 2) 

You write the following method (line numbers are included for reference only): 

You need to ensure that the method extracts a list of URLs that match the following pattern: @http://(www\.)?([^\.]+)\.com; 

Which code should you insert at line 07? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q5. - (Topic 2) 

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

public void ProcessData(List<decimal> values, CancellationTokenSource source, CancellationToken token) 

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 ProcessData() method performs the required actions. 

Which code segment should you use in the method body? 

A. if (token.IsCancellationRequested) return; 

B. throw new AggregateException(); 

C. token.ThrowIfCancellationRequested(); 

D. source.Cancel(); 

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Q6. DRAG DROP - (Topic 1) 

You are developing an application by using C#. The application includes an array of decimal values named loanAmounts. You are developing a LINQ query to return the values from the array. 

The query must return decimal values that are evenly divisible by two. The values must be sorted from the lowest value to the highest value. 

You need to ensure that the query correctly returns the decimal values. 

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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Q7. DRAG DROP - (Topic 1) 

You are developing a custom collection named LoanCollection for a class named Loan class. 

You need to ensure that you can process each Loan object in the LoanCollection collection by using a foreach loop. 

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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Q8. DRAG DROP - (Topic 2) 

You are developing a class named Temperature. 

You need to ensure that collections of Temperature objects are sortable. 

You have the following code: 

Which code segments should you include in Target 1, Target 2 and Target 3 to complete the code? (To answer, drag the appropriate code segments to the correct targets 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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Q9. DRAG DROP - (Topic 2) 

You have a method that will evaluate a parameter of type Int32 named Status. You need to ensure that the method meets the following requirements: 

If Status is set to Active, the method must return 1. 

If Status is set to Inactive, the method must return 0. 

If Status is any other value, the method must return -1. 

What should you do? (To answer, drag the appropriate statement to the correct location in the answer area. Each statement 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 includes classes named Employee and Person and an interface named IPerson. 

The Employee class must meet the following requirements: 

. It must either inherit from the Person class or implement the IPerson interface. . It must be inheritable by other classes in the application. 

You need to ensure that the Employee class meets the requirements. 

Which two code segments can you use to achieve this goal? (Each correct answer presents a complete solution. Choose two.) 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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