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Q21. – (Topic 1) 

You are developing an application that uses the Microsoft ADO.NET Entity Framework to retrieve order information from a Microsoft SQL Server database. The application includes the following code. (Line numbers are included for reference only.) 

The application must meet the following requirements: 

. Return only orders that have an OrderDate value other than null. 

. Return only orders that were placed in the year specified in the OrderDate property or in a later year. 

You need to ensure that the application meets the requirements. 

Which code segment should you insert at line 08? 

A. Where order.OrderDate.Value != null && order.OrderDate.Value.Year > = year 

B. Where order.OrderDate.Value = = null && order.OrderDate.Value.Year = = year 

C. Where order.OrderDate.HasValue && order.OrderDate.Value.Year = = year 

D. Where order.OrderDate.Value.Year = = year 

Answer:

Explanation: *For the requirement to use an OrderDate value other than null use: OrderDate.Value != null 

*For the requirement to use an OrderDate value for this year or a later year use: OrderDate.Value>= year 

Q22. – (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:

Q23. DRAG DROP – (Topic 2) 

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 ContosoValidationException exceptions are caught, log the information by using the static void Log (ContosoValidationException ex) method. . When ContosoDbException or other ContosoException exceptions are caught, log the information by using the static void Log(ContosoException ex) method. 

You need to meet the requirements. 

You have the following code: Which code segments should you include in Target 1, Target 2 and Target 3 to complete the code? (To answer, drag the appropriate code segments to the correct targets 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: 

Q24. – (Topic 1) 

You are developing an application. The application includes classes named Employee and Person and an interface named IPerson. 

The Employee class must meet the following requirements: 

. It must either inherit from the Person class or implement the IPerson interface. . It must be inheritable by other classes in the application. 

You need to ensure that the Employee class meets the requirements. 

Which two code segments can you use 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: B,D 

Explanation: 

Sealed – When applied to a class, the sealed modifier prevents other classes from inheriting from it. http://msdn.microsoft.com/en-us/library/88c54tsw(v=vs.110).aspx 

Q25. – (Topic 1) 

You are developing an application. The application calls a method that returns an array of integers named employeeIds. You define an integer variable named employeeIdToRemove and assign a value to it. You declare an array named filteredEmployeeIds. 

You have the following requirements: 

Remove duplicate integers from the employeeIds array. 

Sort the array in order from the highest value to the lowest value. 

Remove the integer value stored in the employeeIdToRemove variable from the 

employeeIds array. 

You need to create a LINQ query to meet the requirements. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Q26. – (Topic 1) 

You are creating a console application by using C#. 

You need to access the assembly found in the file named car.dll. 

Which code segment should you use? 

A. Assembly.Load(); 

B. Assembly.GetExecutingAssembly(); 

C. This.GetType(); 

D. Assembly.LoadFile("car.dll"); 

Answer:

Explanation: 

Assembly.LoadFile – Loads the contents of an assembly file on the specified path. http://msdn.microsoft.com/en-us/library/b61s44e8.aspx 

Q27. – (Topic 1) 

You are developing an application. The application converts a Location object to a string by using a method named WriteObject. 

The WriteObject() method accepts two parameters, a Location object and an XmlObjectSerializer object. 

The application includes the following code. (Line numbers are included for reference only.) 

You need to serialize the Location object as XML. 

Which code segment should you insert at line 20? 

A. new XmlSerializer(typeof(Location)) 

B. new NetDataContractSerializer() 

C. new DataContractJsonSerializer(typeof (Location)) 

D. new DataContractSerializer(typeof(Location)) 

Answer:

Explanation: 

The code is using [DataContract] attribute here so need to used DataContractSerializer class. 

Q28. 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 ContosoValidationException exceptions are caught, log the information by using the static void Log (ContosoValidationException ex) method. . When ContosoDbException or other ContosoException exceptions are caught, log the information by using the static void Log(ContosoException 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: 

Q29. DRAG DROP – (Topic 1) 

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: 

Q30. DRAG DROP – (Topic 2) 

You are developing a C# console application that outputs information to the screen. The following code segments implement the two classes responsible for making calls to the Console object: 

When the application is run, the console output must be the following text: 

Log started Base: Log continuing Finished 

You need to ensure that the application outputs the correct text. 

Which four lines of code should you use in sequence? (To answer, move the appropriate classes from the list of classes to the answer area and arrange them in the correct order.) 

Answer: 

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