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2021 Sep book for exam 70-483:
Q71. - (Topic 1)
You are adding a public method named UpdateGrade to a public class named ReportCard.
The code region that updates the grade field must meet the following requirements: . It must be accessed by only one thread at a time. . It must not be vulnerable to a deadlock situation. You need to implement the UpdateGrade() method.
What should you do?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q72. DRAG DROP - (Topic 1)
You are developing a class named ExtensionMethods.
You need to ensure that the ExtensionMethods class implements the IsEmail() method on string 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:
Q73. - (Topic 1)
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 task within the operation, and set the Task.StartOnError property to true.
B. Create a TaskFactory object and call the ContinueWhenAll() method of the object.
C. Create a task by calling the Task.ContinueWith() method.
D. Use the TaskScheduler class to create a task and call the TryExecuteTask() method on the class.
Answer: C
Explanation:
Task.ContinueWith - Creates a continuation that executes asynchronously when the target Task completes.The returned Task will not be scheduled for execution until the current task has completed, whether it completes due to running to completion successfully, faulting due to an unhandled exception, or exiting out early due to being canceled. http://msdn.microsoft.com/en-us/library/dd270696.aspx
Q74. - (Topic 1)
You are creating an application that manages information about zoo animals. The application includes a class named Animal and a method named Save.
The Save() method must be strongly typed. It must allow only types inherited from the Animal class that uses 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: C
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
Q75. 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:
Most recent microsoft certification dumps 70-483:
Q76. - (Topic 2)
You are developing an application that generates code. The application includes the following code segment. (Line numbers are included for reference only.)
You need to ensure that code generated by the GenerateCode() method represents a class that can be accessed by all objects in its application domain.
Which two code segments can you insert at line 05 to achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A,C
Q77. DRAG DROP - (Topic 1)
You are developing a class named Temperature.
You need to ensure that collections of Temperature objects are sortable.
How should you complete the relevant code segment? (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:
Q78. 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:
Q79. HOTSPOT - (Topic 1)
You are developing an application that includes a Windows Communication Foundation (WCF) service. The service includes a custom TraceSource object named ts and a method named DoWork. The application must meet the following requirements:
. Collect trace information when the DoWork() method executes. . Group all traces for a single execution of the DoWork() method as an activity that can be viewed in the WCF Service Trace Viewer Tool.
You need to ensure that the application meets the requirements.
How should you complete the relevant code? (To answer, select the correct code segment from each drop-down list in the answer area.)
Answer:
Q80. - (Topic 2)
You are writing the following method (line numbers are included for reference only):
You need to ensure that CreateObject compiles successfully.
What should you do?
A. Insert the following code at line 02: where T : new()
B. Replace line 01 with the following code: public void CreateObject<T>()
C. Replace line 01 with the following code: public Object CreateObject<T>()
D. Insert the following code at line 02: where T : Object
Answer: A
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