Q1. - (Topic 2) 

You are developing an application that includes methods named ConvertAmount and TransferFunds. 

You need to ensure that the precision and range of the value in the amount variable is not lost when the TransferFunds() method is called. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

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Q2. - (Topic 1) 

You are developing an application by using C#. You provide a public key to the development team during development. 

You need to specify that the assembly is not fully signed when it is built. 

Which two assembly attributes should you include in the source code? (Each correct answer presents part of the solution. Choose two.) 

A. AssemblyKeyNameAttribute 

B. ObfuscateAssemblyAttribute 

C. AssemblyDelaySignAttribute 

D. AssemblyKeyFileAttribute 

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Q3. - (Topic 1) 

You are implementing a method named FloorTemperature that performs conversions between value types and reference types. The following code segment implements the method. (Line numbers are included for reference only.) 

You need to ensure that the application does not throw exceptions on invalid conversions. Which code segment should you insert at line 04? 

A. int result = (int)degreesRef; 

B. int result = (int)(double)degreesRef; 

C. int result = degreesRef; 

D. int result = (int)(float)degreesRef; 

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Q4. - (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 

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Q5. - (Topic 2) 

You are developing a class named Account that will be used by several applications. The applications that will consume the Account class will make asynchronous calls to the Account class to execute several different methods. 

You need to ensure that only one call to the methods is executed at a time. 

Which keyword should you use? 

A. sealed 

B. protected 

C. checked 

D. lock 

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Q6. - (Topic 2) 

You are testing an application. The application includes methods named CalculateInterest and LogLine. The CalculateInterest() method calculates loan interest. The LogLine() method sends diagnostic messages to a console window. 

The following code implements the methods. (Line numbers are included for reference only.) 

You have the following requirements: 

. The CalculateInterest() method must run for all build configurations. . The LogLine() method must run only for debug builds. 

You need to ensure that the methods run correctly. 

What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.) 

A. Insert the following code segment at line 01: 

#region DEBUG 

Insert the following code segment at line 10: 

#endregion 

B. Insert the following code segment at line 01: 

[Conditional("DEBUG")] 

C. Insert the following code segment at line 05: 

#region DEBUG 

Insert the following code segment at line 07: 

#endregion 

D. Insert the following code segment at line 10: 

[Conditional("DEBUG")] 

E. Insert the following code segment at line 01: 

#if DEBUG 

Insert the following code segment at line 10: 

#endif 

F. Insert the following code segment at line 10: 

[Conditional("RELEASE")] 

G. Insert the following code segment at line 05: 

#if DEBUG 

Insert the following code segment at line 07: 

#endif 

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Q7. - (Topic 2) 

You are developing an application that includes a method named SendMessage. 

You need to ensure that the SendMessage() method is called with the required parameters. 

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 

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Q8. HOTSPOT - (Topic 2) 

You are building a data access layer in an application that contains the following code: 

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

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Q9. - (Topic 1) 

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. DataContractSerializer serializer = new DataContractSerializer(); 

B. var serializer = new DataContractSerializer(); 

C. XmlSerlalizer serializer = new XmlSerlalizer(); 

D. var serializer = new JavaScriptSerializer(); 

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Q10. - (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 not throw any exceptions when converting the obj object to the IDataContainer interface or 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. dynamic dataContainer = obj; 

C. var dataContainer = obj is IDataContainer; 

D. var dataContainer = obj as IDataContainer; 

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