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2021 Nov 70-483:
Q61. - (Topic 1)
You are developing an application by using C#. The application includes the following code segment. (Line numbers are included for reference only.)
The DoWork() method must throw an InvalidCastException exception if the obj object is not of type IDataContainer when accessing the Data property.
You need to meet the requirements. Which code segment should you insert at line 07?
A. var dataContainer = (IDataContainer) obj;
B. var dataContainer = obj as IDataContainer;
C. var dataContainer = obj is IDataContainer;
D. dynamic dataContainer = obj;
Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/ms173105.aspx
Q62. - (Topic 2)
You are developing an application that uses a .config file.
The relevant portion of the .config file is shown as follows:
You need to ensure that diagnostic data for the application writes to the event log by using the configuration specified in the .config file.
What should you include in the application code?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Explanation: Explanation
http://msdn.microsoft.com/en-us/library/vstudio/system.diagnostics.eventlogtracelistener
Public static void Main(string[] args) {
Create a trace listener for the event log.
EventLogTraceListener myTraceListener = new
EventLogTraceListener("myEventLogSource");
Add the event log trace listener to the collection.
Trace.Listeners.Add(myTraceListener);
// Write output to the event log.
Trace.WriteLine("Test output");
}
Q63. - (Topic 1)
You have the following code (line numbers are included for reference only):
You need to identify the missing line of code at line 15. Which line of code should you identify?
A. using (fooSqlConn.BeginTransaction())
B. while (fooSqlReader.Read())
C. while (fooSqlReader.NextResult())
D. while (fooSqlReader.GetBoolean(0))
Answer: B
Q64. - (Topic 1)
You are creating an application that manages information about your company's products. The application includes a class named Product and a method named Save.
The Save() method must be strongly typed. It must allow only types inherited from the Product class that use a constructor that accepts no parameters.
You need to implement the Save() method. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q65. - (Topic 2)
You are creating a console application named App1.
App1 retrieves data from the Internet by using JavaScript Object Notation (JSON).
You are developing the following code segment (line numbers are included for reference only):
You need to ensure that the code validates the JSON string. Which code should you insert at line 03?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Explanation: The JavaScriptSerializer Class Provides serialization and deserialization functionality for AJAX-enabled applications.
The JavaScriptSerializer class is used internally by the asynchronous communication layer to serialize and deserialize the data that is passed between the browser and the Web server. You cannot access that instance of the serializer. However, this class exposes a public API. Therefore, you can use the class when you want to work with JavaScript Object Notation (JSON) in managed code.
Renewal mcsd exam 70-483 dumps:
Q66. - (Topic 1)
You are developing an application that includes a class named BookTracker for tracking library books. The application includes the following code segment. (Line numbers are included for reference only.)
You need to add a book to the BookTracker instance. What should you do?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q67. - (Topic 2)
You need to write a console application that meets the following requirements:
. If the application is compiled in Debug mode, the console output must display Entering debug mode. . If the application is compiled in Release mode, the console output must display Entering release mode.
Which code should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Explanation: When the C# compiler encounters an #if directive, followed eventually by an #endif directive, it will compile the code between the directives only if the specified symbol is defined. Unlike C and C++, you cannot assign a numeric value to a symbol; the #if statement in C# is Boolean and only tests whether the symbol has been defined or not. For example, #define DEBUG // ... #if DEBUG Console.WriteLine("Debug version"); #endif
Q68. - (Topic 1)
You are creating an application that manages information about your company's products. The application includes a class named Product and a method named Save.
The Save() method must be strongly typed. It must allow only types inherited from the Product class that use a constructor that accepts no parameters.
You need to implement the Save() method. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Explanation:
When you define a generic class, you can apply restrictions to the kinds of types that client
code can use for type arguments when it instantiates your class. If client code tries to instantiate your class by using a type that is not allowed by a constraint, the result is a compile-time error. These restrictions are called constraints. Constraints are specified by using the where contextual keyword. http://msdn.microsoft.com/en-us/library/d5x73970.aspx
Q69. - (Topic 2)
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
Q70. DRAG DROP - (Topic 1)
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: