[Free] 2018(Aug) Dumps4cert Microsoft 70-483 Dumps with VCE and PDF Download 61-70

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Programming in C#

Question No: 61 – (Topic 1)

You are developing an application that uses structured exception handling. The application includes a class named ExceptionLogger.

The ExceptionLogger class implements a method named LogException by using the following code segment:

public static void LogException(Exception ex) You have the following requirements:

-> Log all exceptions by using the LogException() method of the ExceptionLogger class.

-> Rethrow the original exception, including the entire exception stack.

You need to meet the requirements. Which code segment should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: A Explanation:

Once an exception is thrown, part of the information it carries is the stack trace. The stack trace is a list of the method call hierarchy that starts with the method that throws the exception and ends with the method that catches the exception. If an exception is re- thrown by specifying the exception in the throw statement, the stack trace is restarted at the current method and the list of method calls between the original method that threw the exception and the current method is lost. To keep the original stack trace information with the exception, use the throw statement without specifying the exception.

http://msdn.microsoft.com/en-us/library/ms182363(v=vs.110).aspx

Question No: 62 – (Topic 1)

You are developing an application by using C#. The application includes the following code segment. (Line numbers are included for reference only.)

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The DoWork() method must not throw any exceptions when converting the obj object to the IDataContainer interface or when accessing the Data property.

You need to meet the requirements. Which code segment should you insert at line 07?

  1. var dataContainer = (IDataContainer)obj;

  2. dynamic dataContainer = obj;

  3. var dataContainer = obj is IDataContainer;

  4. var dataContainer = obj as IDataContainer;

Answer: D Explanation:

As – The as operator is like a cast operation. However, if the conversion isn#39;t possible, as returns null instead of raising an exception.

http://msdn.microsoft.com/en-us/library/cscsdfbt(v=vs.110).aspx

Question No: 63 – (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.)

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

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: D

Question No: 64 DRAG DROP – (Topic 1)

You are developing an application that implements a set of custom exception types. You declare the custom exception types by using the following code segments:

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The application includes a function named DoWork that throws .NET Framework exceptions and custom exceptions. The application contains only the following logging methods:

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The application must meet the following requirements:

-> When ContosoValidationException exceptions are caught, log the information by using the static void Log (ContosoValidationException ex) method.

-> When ContosoDbException or other ContosoException exceptions are caught, log

the information by using the static void Log(ContosoException ex) method.

You need to meet the requirements.

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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Answer:

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Question No: 65 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 EventHandlerlt;RenameEventArgsgt; 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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Answer:

Dumps4Cert 2018 PDF and VCE

Question No: 66 – (Topic 1)

You are debugging an application that calculates loan interest. The application includes the following code. (Line numbers are included for reference only.)

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You need to ensure that the debugger breaks execution within the CalculateInterest() method when the loanAmount variable is less than or equal to zero in all builds of the application.

What should you do?

  1. Insert the following code segment at line 03: Trace.Assert(loanAmount gt; 0);

  2. Insert the following code segment at line 03: Debug.Assert(loanAmount gt; 0);

  3. Insert the following code segment at line 05: Debug.Write(loanAmount gt; 0);

  4. Insert the following code segment at line 05: Trace.Write(loanAmount gt; 0);

Answer: A Explanation:

By default, the Debug.Assert method works only in debug builds. Use the Trace.Assert method if you want to do assertions in release builds. For more information, see Assertions in Managed Code. http://msdn.microsoft.com/en-us/library/kssw4w7z.aspx

Question No: 67 – (Topic 1)

You are developing an application that includes a class named Order. The application will store a collection of Order objects.

The collection must meet the following requirements:

-> Use strongly typed members.

-> Process Order objects in first-in-first-out order.

-> Store values for each Order object.

-> Use zero-based indices.

You need to use a collection type that meets the requirements. Which collection type should you use?

  1. Queuelt;Tgt;

  2. SortedList

  3. LinkedListlt;Tgt;

  4. HashTable

  5. Arraylt;Tgt;

Answer: A Explanation:

Queues are useful for storing messages in the order they were received for sequential processing. Objects stored in a Queuelt;Tgt; are inserted at one end and removed from the other.

http://msdn.microsoft.com/en-us/library/7977ey2c.aspx

Question No: 68 – (Topic 1)

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

You have the following requirements:

-> Remove duplicate integers from the employeeIds array.

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

-> Remove the integer value stored in the employeeIdToRemove variable from the employeeIds array.

You need to create a LINQ query to meet the requirements. Which code segment should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C

Question No: 69 – (Topic 1)

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

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You need to identify the missing line of code at line 15. Which line of code should you identify?

  1. using (fooSqlConn.BeginTransaction())

  2. while (fooSqlReader.Read())

  3. while (fooSqlReader.NextResult())

  4. while (fooSqlReader.GetBoolean(0))

Answer: B

Question No: 70 DRAG DROP – (Topic 1)

You are developing a class named Temperature.

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

How should you complete the relevant code segment? (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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Answer:

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