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Q51. DRAG DROP – (Topic 2) 

You have an application that uses paging. Each page displays 10 items from a list. 

You need to display the third page. (Develop the solution by selecting and ordering the required code snippets. You may not need all of the code snippets.) 

Answer: 

Q52. – (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 

Answer:

Q53. DRAG DROP – (Topic 2) 

You have an application that accesses a Microsoft SQL Server database. 

The database contains a stored procedure named Proc1. Proc1 accesses several rows of data across multiple tables. 

You need to ensure that after Proc1 executes, the database is left in a consistent state. While Proc1 executes, no other operation can modify data already read or changed by Proc1. (Develop the solution by selecting and ordering the required code snippets. 

You may not need all of the code snippets.) 

Answer: 

Q54. DRAG DROP – (Topic 2) 

You are developing a C# application. The application includes a class named Rate. The following code segment implements the Rate class: 

You define a collection of rates named rateCollection by using the following code segment: 

Collection<Rate> rateCollection = new Collection<Rate>() ; 

The application receives an XML file that contains rate information in the following format: 

You need to parse the XML file and populate the rateCollection collection with Rate 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.) 

Answer: 

Q55. – (Topic 1) 

An application includes a class named Person. The Person class includes a method named GetData. 

You need to ensure that the GetData() method can be used only by the Person class and not by any class derived from the Person class. 

Which access modifier should you use for the GetData() method? 

A. Public 

B. Protected internal 

C. Internal 

D. Private 

E. Protected 

Answer:

Explanation: 

The GetData() method should be private. It would then only be visible within the Person class. 

Q56. DRAG DROP – (Topic 2) 

An application serializes and deserializes XML from streams. The XML streams are in the following format: 

The application reads the XML streams by using a DataContractSerializer object that is declared by the following code segment: 

You need to ensure that the application preserves the element ordering as provided in the XML stream. 

You have the following code: 

Which attributes should you include in Target 1, Target 2 and Target 3 to complete the code? (To answer, drag the appropriate attributes to the correct targets in the answer area. Each attribute 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: 

Q57. – (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:

Q58. – (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 

Answer:

Explanation: Simply use float for the TransferFunds parameter. 

Note: 

* The float keyword signifies a simple type that stores 32-bit floating-point values. 

* The double keyword signifies a simple type that stores 64-bit floating-point values 

Q59. – (Topic 1) 

You are developing an application that will transmit large amounts of data between a client computer and a server. You need to ensure the validity of the data by using a cryptographic hashing algorithm. Which algorithm should you use? 

A. RSA 

B. HMACSHA2S6 

C. Aes 

D. RNGCryptoServiceProvider 

Answer:

Q60. – (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:

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 

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