Programming in C# 70-483 practice test

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Share some MCSD 70-483 exam questions and answers below.
You are developing an application that will convert data into multiple output formats. 
The application includes the following code. (Line numbers are included for reference only.) 



You are developing a code segment that will produce tab-delimited output. 
All output routines implement the following interface: 



You need to minimize the completion time of the GetOutput() method. 
Which code segment should you insert at line 06? 



A. Option A 
B. Option B 
C. Option C 
D. Option D 
Answer: D 


You are debugging a 64-bit C# application. Users report System.OutOfMemoryException exceptions. The system is attempting to use arrays larger than 2 GB in size. You need to ensure that the application can use arrays larger than 2 GB.What should you do? 
A. Add the /3GB switch to the boot.ini file for the operating system. 
B. Set the IMAGE_FILE_LARGE_ADDRESS_AWARE flag in the image header for the application executable file. 
C. Set the value of the gcAllowVeryLargeObjects property to true in the application configuration file. 
D. Set the value of the user-mode virtual address space setting for the operating system to MAX. 
Answer: C

DRAG DROP 
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: 



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



The application must meet the following requirements: 
• When AdventureWorksValidationException exceptions are caught, log the information by using the static void Log (AdventureWorksValidationException ex) method. 
• When AdventureWorksDbException or other AdventureWorksException exceptions are caught, log the information by using the static void I oq( AdventureWorksException 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.) 



Answer: 




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. ReRegisterForFinalize() 
B. SuppressFinalize() 
C. Collect() 
D. WaitForFullGCApproach() 
Answer: B

DRAG DROP 
You are developing an application by using C#. The application includes an array of decimal values named loanAmounts. You are developing a LINQ query to return the values from the array. The query must return decimal values that are evenly divisible by two. The values must be sorted from the lowest value to the highest value. You need to ensure that the query correctly returns the decimal values. 
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: 





An application includes a class named Person. The Person class includes a method named GetData. You need to ensure that the GetData() from the Person class. 
Which access modifier should you use for the GetData() method? 
A. Internal 
B. Protected 
C. Private 
D. Protected internal 
E. Public 
Answer: B 


You use the Task.Run() method to launch a long-running data processing operation. The data processing operation often fails in times of heavy network congestion. If the data processing operation fails, a second operation must clean up any results of the first operation. You need to ensure that the second operation is invoked only if the data processing operation throws an unhandled exception. 
What should you do? 
A. Create a TaskCompletionSource object and call the TrySetException() method of the object.
B. Create a task by calling the Task.ContinueWith() method.
C. Examine the Task.Status property immediately after the call to the Task.Run() method.
D. Create a task inside the existing Task.Run() method by using the AttachedToParent option.
Answer: B

You are developing a method named CreateCounters that will create performance counters for an application.
The method includes the following code. (Line numbers are included for reference only.)



You need to ensure that Counter1 is available for use in Windows Performance Monitor (PerfMon).
Which code segment should you insert at line 16?
A. CounterType = PerformanccCounterType.RawBase
B. CounterType = PerformanceCounterType.AverageBase
C. CounterType = PerformanceCounterType.SampleBase
D. CounterType = PerformanceCounterType.CounterMultiBase
Answer: C


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

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. HMACSHA256
B. RNGCryptoServiceProvider
C. DES
D. Aes
Answer: A

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