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Exam Code: 70-483 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Programming in C#
Certification Provider: Microsoft
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2021 Mar 70-483 exam fees
Q71. - (Topic 1)
You are debugging an application that calculates loan interest. The application includes the following code. (Line numbers are included for reference only.)
You have the following requirements:
. The debugger must break execution within the Calculatelnterest() method when the loanAmount variable is less than or equal to zero. . The release version of the code must not be impacted by any changes.
You need to meet the requirements.
What should you do?
A. Insert the following code segment at tine 05: Debug.Write(loanAmount > 0);
B. Insert the following code segment at line 05: Trace.Write(loanAmount > 0);
C. Insert the following code segment at line 03: Debug.Assert(loanAmount > 0);
D. Insert the following code segment at line 03: Trace.Assert(loanAmount > 0);
Answer: C
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
Q72. - (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
Answer: D
Explanation: * MatchCollection Represents the set of successful matches found by iteratively applying a regular expression pattern to the input string. The collection is immutable (read-only) and has no public constructor. The Regex.Matches method returns a MatchCollection object.
* List<T>.Add Method Adds an object to the end of the List<T>. Incorrect: Not A: ICollection.SyncRoot Property For collections whose underlying store is not publicly available, the expected implementation is to return the current instance. Note that the pointer to the current instance might not be sufficient for collections that wrap other collections; those should return the underlying collection's SyncRoot property.
Q73. - (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?
A. Option A
B. Option B
C. Option C
D. 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
Q74. - (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?
A. Queue<T>
B. SortedList
C. LinkedList<T>
D. HashTable
E. Array<T>
Answer: A
Explanation:
Queues are useful for storing messages in the order they were received for sequential processing. Objects stored in a Queue<T> are inserted at one end and removed from the other. http://msdn.microsoft.com/en-us/library/7977ey2c.aspx
Q75. - (Topic 1)
You are modifying an application that processes leases. The following code defines the Lease class. (Line numbers are included for reference only.)
Leases are restricted to a maximum term of 5 years. The application must send a notification message if a lease request exceeds 5 years.
You need to implement the notification mechanism.
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
E. Option E
F. Option F
Answer: A,B
Update 70-483 exam answers:
Q76. - (Topic 1)
An application receives JSON data in the following format:
The application includes the following code segment. (Line numbers are included for reference only.)
You need to ensure that the ConvertToName() method returns the JSON input string as a Name object.
Which code segment should you insert at line 10?
A. Return ser.Desenalize (json, typeof(Name));
B. Return ser.ConvertToType<Name>(json);
C. Return ser.Deserialize<Name>(json);
D. Return ser.ConvertToType (json, typeof (Name));
Answer: C
Q77. - (Topic 1)
You are developing an application that includes the following code segment. (Line numbers are included for reference only.)
You need to ensure that the application accepts only integer input and prompts the user each time non-integer input is entered.
Which code segment should you add at line 19?
A. If (!int.TryParse(sLine, out number))
B. If ((number = Int32.Parse(sLine)) == Single.NaN)
C. If ((number = int.Parse(sLine)) > Int32.MaxValue)
D. If (Int32.TryParse(sLine, out number))
Answer: A
Explanation:
B and C will throw exception when user enters non-integer value. D is exactly the opposite what we want to achieve.
Int32.TryParse - Converts the string representation of a number to its 32-bit signed integer equivalent. A return value indicates whether the conversion succeeded. http://msdn.microsoft.com/en-us/library/f02979c7.aspx
Q78. DRAG DROP - (Topic 2)
You are creating a class named Data that includes a dictionary object named _data.
You need to allow the garbage collection process to collect the references of the _data object.
You have the following code:
Which code segments should you include in Target 1 and Target 2 to complete the 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.)
Answer:
Q79. - (Topic 1)
You are developing an application by using C#.
The application includes an object that performs a long running process.
You need to ensure that the garbage collector does not release the object's resources until the process completes.
Which garbage collector method should you use?
A. WaitForFullGCComplete()
B. SuppressFinalize()
C. WaitForFullGCApproach()
D. WaitForPendingFinalizers()
Answer: B
Q80. - (Topic 2)
You are developing an application that uses multiple asynchronous tasks to optimize performance.
You need to retrieve the result of an asynchronous task.
Which code segment should you use?
A. Option A B. Option B
C. Option C
D. Option D
Answer: C