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Q11. DRAG DROP - (Topic 1) 

You are developing a custom collection named LoanCollection for a class named Loan class. 

You need to ensure that you can process each Loan object in the LoanCollection collection by using a foreach loop. 

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: 


Q12. - (Topic 2) 

You are creating a console application named App1. 

App1 will validate user input for order entries. 

You are developing the following code segment (line numbers are included for reference only): 

You need to complete the code segment. 

The solution must ensure that prices are positive and have two decimal places. 

Which code should you insert at line 03? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Explanation: * Regex.IsMatch Method (String, String) 

Indicates whether the specified regular expression finds a match in the specified input string. 

Syntax: 

public static bool IsMatch( 

string input, 

string pattern 


Q13. - (Topic 1) 

You are debugging an application that calculates loan interest. The application includes the following code. (Line numbers are included for reference only.) 

You have the following requirements: 

. The debugger must break execution within the Calculatelnterest() method when the loanAmount variable is less than or equal to zero. . The release version of the code must not be impacted by any changes. 

You need to meet the requirements. 

What should you do? 

A. Insert the following code segment at tine 05: Debug.Write(loanAmount > 0); 

B. Insert the following code segment at line 05: Trace.Write(loanAmount > 0); 

C. Insert the following code segment at line 03: Debug.Assert(loanAmount > 0); 

D. Insert the following code segment at line 03: Trace.Assert(loanAmount > 0); 

Answer:

Explanation: 

By default, the Debug.Assert method works only in debug builds. Use the Trace.Assert method if you want to do assertions in release builds. For more information, see Assertions in Managed Code. http://msdn.microsoft.com/en-us/library/kssw4w7z.aspx 


Q14. - (Topic 1) 

You are developing an application that includes the following code segment. (Line numbers are included for reference only.) 

The GetAnimals() method must meet the following requirements: 

Connect to a Microsoft SQL Server database. 

Create Animal objects and populate them with data from the database. 

Return a sequence of populated Animal objects. 

You need to meet the requirements. 

Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.) 

A. Insert the following code segment at line 16: while(sqlDataReader.NextResult()) 

B. Insert the following code segment at line 13: sqlConnection.Open(); 

C. Insert the following code segment at line 13: sqlConnection.BeginTransaction(); 

D. Insert the following code segment at line 16: while(sqlDataReader.Read()) 

E. Insert the following code segment at line 16: while(sqlDataReader.GetValues()) 

Answer: B,D 

Explanation: 

SqlConnection.Open - Opens a database connection with the property settings specified by the ConnectionString. http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.open.aspx SqlDataReader.Read - Advances the SqlDataReader to the next record. http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqldatareader.read.aspx 


Q15. - (Topic 1) 

You are developing an application that will transmit large amounts of data between a client computer and a server. You need to ensure the validity of the data by using a cryptographic hashing algorithm. Which algorithm should you use? 

A. RSA 

B. Aes 

C. HMACSHA256 

D. DES 

Answer:


Q16. - (Topic 2) 

You are troubleshooting an application that uses a class named FullName. The class is decorated with the DataContractAttribute attribute. The application includes the following code. (Line numbers are included for reference only.) 

You need to ensure that the entire FullName object is serialized to the memory stream object. 

Which code segment should you insert at line 09? 

A. binary.WriteEndElement(); 

B. binary.NriteEndDocument(); 

C. ms.Close() ; 

D. binary.Flush(); 

Answer:

Explanation: * DataContractSerializer.WriteEndObject Method (XmlDictionaryWriter) Writes the closing XML element using an XmlDictionaryWriter. 

* Note on line 07: DataContractSerializer.WriteObject Method Writes all the object data (starting XML element, content, and closing element) to an XML document or stream. 

XmlDictionaryWriter 


Q17. - (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:

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 


Q18. - (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:


Q19. - (Topic 2) 

You are developing an application that includes methods named EvaluateLoan, ProcessLoan, and FundLoan. The application defines build configurations named TRIAL, BASIC, and ADVANCED. 

You have the following requirements: 

The TRIAL build configuration must run only the EvaluateLoan() method. 

The BASIC build configuration must run all three methods. 

The ADVANCED build configuration must run only the EvaluateLoan() and 

ProcessLoan() methods. 

You need to meet the requirements. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:


Q20. DRAG DROP - (Topic 2) 

You are creating a class named Data that includes a dictionary object named _data. 

You need to allow the garbage collection process to collect the references of the _data object. 

You have the following code: 

Which code segments should you include in Target 1 and Target 2 to complete the 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: