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2016 Jun 70-483 Study Guide Questions:

Q41. HOTSPOT - (Topic 2) 

You have an existing order processing system that accepts .xml files, 

The following code shows an example of a properly formatted order in XML: 

You create the following class that will be serialized: 

For each of the following properties, select Yes if the property is serialized according to the defined schema. Otherwise, select No. 

Answer: 


Q42. - (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 

Answer: D,G 

Reference: http://stackoverflow.com/questions/2104099/c-sharp-if-then-directives-for-debug-vs-release 


Q43. - (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(); 

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. 


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Q44. - (Topic 2) 

You have the following class (line numbers are included for reference only): 

ServiceProxy is a proxy for a web service. Calls to the Update method can take up to five seconds. The Test class is the only class the uses Class1. 

You run the Execute method three times, and you receive the following results: 312 231 

You need to ensure that each value is appended to the Value property in the order that the Modify methods are invoked. 

What should you do? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: B 


Q45. - (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: D 

Explanation: 

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


Q46. DRAG DROP - (Topic 2) 

You have the following class. (Line numbers are included for reference only.) 

You need to complete the doOperation method to meet the following requirements: 

. If AddNumb is passed as the operationName parameter, the AddNumb function is called. . If SubNumb is passed as the operationName parameter, the SubNumb function is called. 

Which code should you insert at line 16? Develop the solution by selecting and arranging the required code blocks in the correct order. You may not need all of the code blocks. 

Answer: 


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Q47. - (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. Decorate the code by using the [DebuggerDisplay("Mydebug")] attribute. 

C. Configure the Define DEBUG constant setting in Microsoft Visual Studio. 

D. Disable the strong-name bypass feature of Microsoft .NET Framework in the registry. 

Answer: C 

Explanation: Use one debug version to connect to the development database, and a standard version to connect to the live database. 


Q48. - (Topic 2) 

You need to write a method that retrieves data from a Microsoft Access 2013 database. The method must meet the following requirements: 

Be read-only. 

Be able to use the data before the entire data set is retrieved. 

Minimize the amount of system overhead and the amount of memory usage. 

Which type of object should you use in the method? 

A. DbDataAdapter 

B. unTyped DataSet 

C. OleDbDataAdapter 

D. DbDataReader 

Answer: D 

Explanation: The DbDataReader class reads a forward-only stream of rows from a data source. 

Reference: DbDataReader Class 

https://msdn.microsoft.com/en-us/library/system.data.common.dbdatareader(v=vs.110).aspx 


Q49. 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: 


Q50. DRAG DROP - (Topic 1) 

You are developing an application that includes a class named Warehouse. The Warehouse class includes a static property named Inventory- The Warehouse class is defined by the following code segment. (Line numbers are included for reference only.) 

You have the following requirements: 

Initialize the _inventory field to an Inventory instance. 

Initialize the _inventory field only once. 

Ensure that the application code acquires a lock only when the _inventory object must be instantiated. 

You need to meet the requirements. 

Which three code segments should you insert in sequence at line 09? (To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.) 

Answer: 



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