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NEW QUESTION 272
You are developing a C# application named Application1 by using Microsoft Visual Studio 2017. You plan to compare the memory usage between different builds of Application1. You need to record the memory usage of each build. What should you use from Visual Studio?
A. IntelliTrace
B. Memory Usage from Performance Profiler
C. Performance Wizard from Performance Profiler
D. Code Analysis
Answer: B
Explanation:
https://msdn.microsoft.com/en-US/library/dn645469(VS.140).aspx
NEW QUESTION 273
You need to write a method that retrieves data from a Microsoft Access 2013 database. The method must meet the following requirements:
– It must be read-only.
– You must be able to use the data before the entire data set is retrieved.
– You must minimize the amount of system overhead and the amount of memory usage.
Which type of object should you use in the method?
A. DataContext
B. DbDataAdapter
C. SqlDataAdapter
D. DbDataReader
Answer: D
NEW QUESTION 274
Hotspot
You have the following C# code: (Line numbers are included for reference only.)
For each of the following statements, select Yes if the statement is true. Otherwise, select False.
Answer:
NEW QUESTION 275
Drag and Drop
You have an application that uses paging. Each page displays five items from a list. You need to display the second page. Which three code blocks should you use to develop the solution? (To answer, move the appropriate code blocks from the list of code blocks to the answer area and arrange them in the correct order.)
Answer:
Explanation:
https://stackoverflow.com/questions/2380413/paging-with-linq-for-objects
NEW QUESTION 276
Hotspot
You are developing an application in C#. You need to implement a custom exception for the application. You have the following code:
How should you complete the code? (To answer, select the appropriate options in the answer area.)
Answer:
NEW QUESTION 277
Drag and Drop
You need to write code that will display value1, and then value2 in the console. You write the following code:
How should you complete the code? (To answer, drag the appropriate code elements to the correct targets. Each code element 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:
NEW QUESTION 278
Hotspot
You are evaluating the following C# method:
The receiver of the data has a copy of the public key. For each of the following statements, select Yes if the statement is true. Otherwise, select No.
Answer:
NEW QUESTION 279
Hotspot
You have the following class definitions:
There might be other classes derived from Shape. You are creating an application that evaluates whether an object is a square, a rectangle, or another shape. You need to implement a switch statement that meets the following requirements:
– If the shape variable is of the Rectangle type, and the width and the height are NOT equal, the output must be Rectangle.
– If the shape variable is of the Rectangle type, and the width and the height are equal, the output must be Square.
– If the shape variable is of any other Shape derived type, the output must be Unknown.
– If the shape variable does NOT refer to an object, the output must be Empty.
How should you complete the code? (To answer, select the appropriate options in the answer area.)
Answer:
Explanation:
https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/switch
NEW QUESTION 280
Drag and Drop
You have an application that contains the following class definitions:
You need to ensure that the Customers class can be initialized by using the following code:
Which code should you add to the application? (To answer, drag the appropriate values to the correct targets. Each value 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:
NEW QUESTION 281
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