[May 2016] 70-483 braindump

Exam Code: 70-483 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Programming in C#
Certification Provider: Microsoft
Free Today! Guaranteed Training- Pass 70-483 Exam.

2016 May 70-483 Study Guide Questions:

Q61. - (Topic 1) 

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 Counter2 is available for use in Windows Performance Monitor (PerfMon). 

Which code segment should you insert at line 16? 

A. CounterType = PerformanceCounterType.RawBase 

B. CounterType = PerformanceCounterType.AverageBase 

C. CounterType = PerformanceCounterType.SampleBase 

D. CounterType = PerformanceCounterType.CounterMultiBase 

Answer: D 

Explanation: 

PerformanceCounterType.AverageTimer32 - An average counter that measures the time it takes, on average, to complete a process or operation. Counters of this type display a ratio of the total elapsed time of the sample interval to the number of processes or operations completed during that time. This counter type measures time in ticks of the system clock. Formula: ((N 1 -N 0)/F)/(B 1 -B 0), where N 1 and N 0 are performance counter readings, B 1 and B 0 are their corresponding AverageBase values, and F is the number of ticks per second. The value of F is factored into the equation so that the result can be displayed in seconds. 

Thus, the numerator represents the numbers of ticks counted during the last sample interval, F represents the frequency of the ticks, and the denominator represents the number of operations completed during the last sample interval. Counters of this type include PhysicalDisk\ Avg. Disk sec/Transfer. 

PerformanceCounterType.AverageBase - A base counter that is used in the calculation of time or count averages, such as AverageTimer32 and AverageCount64. Stores the denominator for calculating a counter to present "time per operation" or "count per operation".. http://msdn.microsoft.com/en-us/library/system.diagnostics.performancecountertype.aspx 


Q62. DRAG DROP - (Topic 1) 

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: 

var ser = new DataContractSerializer(typeof(Name)); 

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

How should you complete the relevant code? (To answer, drag the appropriate attributes to the correct locations 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: 


Q63. - (Topic 2) 

You develop an application by using C#. The application counts the number of times a specific word appears within a set of text files. The application includes the following code. (Line numbers are included for reference only.) 

You have the following requirements: 

. Populate the _wordCounts object with a list of words and the number of occurrences of each word. . Ensure that updates to the ConcurrentDictionary object can happen in parallel. 

You need to complete the relevant code. 

Which code segment should you insert at line 23? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: A 


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Q64. - (Topic 2) 

You are developing an application that will process personnel records. 

The application must encrypt highly sensitive data. 

You need to ensure that the application uses the strongest available encryption. 

Which class should you use? 

A. System.Security.Cryptography.DES 

B. System.Security.Cryptography.Aes 

C. System.Security.Cryptography.TripleDES 

D. System.Security.Cryptography.RC2 

Answer: B 


Q65. - (Topic 2) 

You are developing an application that includes the following code segment. (Line numbers are included for reference only.) 

You need to ensure that the DoWork(Widget widget) method runs. 

With which code segment should you replace line 24? 

A. DoWork((Widget)o); 

B. DoWork(new Widget(o)); 

C. DoWork(o is Widget); 

D. DoWork((ItemBase)o); 

Answer: A 


Q66. HOTSPOT - (Topic 1) 

You are reviewing the following code: 

For each of the following statements, select Yes if the statement is true. Otherwise, select No. 

Answer: 


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Q67. DRAG DROP - (Topic 2) 

You have a method that will evaluate a parameter of type Int32 named Status. You need to ensure that the method meets the following requirements: 

If Status is set to Active, the method must return 1. 

If Status is set to Inactive, the method must return 0. 

If Status is any other value, the method must return -1. 

What should you do? (To answer, drag the appropriate statement to the correct location in the answer area. Each statement 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: 


Q68. - (Topic 1) 

You are developing an application that uses structured exception handling. The application includes a class named Logger. The Logger class implements a method named Log by using the following code segment: 

public static void Log(Exception ex) { } 

You have the following requirements: 

. Log all exceptions by using the Log() method of the Logger 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: D 


Q69. - (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 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? 

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

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

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

D. Insert the following code segment at line 05: Trace.Write(loanAmount > 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 


Q70. - (Topic 2) 

You are creating an application that reads from a database. 

You need to use different databases during the development phase and the testing phase by using conditional compilation techniques. 

What should you do? 

A. Configure the Define TRACE constant setting in Microsoft Visual Studio. 

B. Specify the /define compiler option. 

C. Run the Assembly Linker tool from the Windows Software Development Kit (Windows SDK). 

D. Decorate the code by using the [assembly:AssemblyDelaySignAttribute(true)] attribute. 

Answer: B 

Explanation: You can specify the compiler settings for your application in several ways: 

* The property pages 

* The command line 

* #CONST (for Visual Basic) and #define (for C#) 

Note: You can have either the Trace or Debug conditional attribute turned on for a build, or both, or neither. Thus, there are four types of build: Debug, Trace, both, or neither. Some release builds for production deployment might contain neither; most debugging builds contain both. 

Reference: How to: Compile Conditionally with Trace and Debug 

https://msdn.microsoft.com/en-us/library/64yxa344(v=vs.110).aspx 



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