A developer designs an interface that contains the following code:

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

Correct Answer:

Explanation

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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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DRAG DROP
You are adding a method to an existing application. The method uses an integer named statusCode as an input parameter and returns the status code as a string.
The method must meet the following requirements:
Return "Error" if the statusCode is 0.
Return "Success" if the statusCode is 1.
Return "Unauthorized" if the statusCode is any value other than 0 or l.
You need to implement the method to meet the requirements.
How should you complete the relevant code? (To answer, drag the appropriate statements to the correct locations 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.)

Correct Answer:

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DRAG DROP
You are creating a method that will split a single input file into two smaller output files.
The method must perform the following actions:
Create a file named header.dat that contains the first 20 bytes of the input file.

Create a file named body.dat that contains the remainder of the input file.

You need to create the method.
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.) Select and Place:

Correct Answer:

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You have the following code:

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

Correct Answer:

Explanation

Explanation for second answer: Events are multicast delegates and that one has a linked list to store the delegates in. The order of execution is always the same as they are inserted.

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