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Q61. DRAG DROP - (Topic 1) 

You are developing an application that will populate an extensive XML tree from a Microsoft SQL Server 2008 R2 database table named Contacts. 

You are creating the XML tree. The solution must meet the following requirements: . Minimize memory requirements. . Maximize data processing speed. You open the database connection. You need to create the XML tree. 

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: 

Q62. - (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. 

Q63. HOTSPOT - (Topic 1) 

You are reviewing the following code: 

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

Answer: 

Q64. HOTSPOT - (Topic 1) 

You have the following code: To answer, complete each statement according to the information presented in the code. 

Answer: 

Q65. - (Topic 2) 

You are developing a game that allows players to collect from 0 through 1000 coins. You are creating a method that will be used in the game. The method includes the following code. (Line numbers are included for reference only.) 

01 public string FormatCoins(string name, int coins) 

02 { 

04 } 

The method must meet the following requirements: 

Return a string that includes the player name and the number of coins. Display the number of coins without leading zeros if the number is 1 or greater. Display the number of coins as a single 0 if the number is 0. 

You need to ensure that the method meets the requirements. 

Which code segment should you insert at line 03? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: D 

Q66. DRAG DROP - (Topic 2) 

You are adding a function to a membership tracking application- The function uses an integer named memberCode as an input parameter and returns the membership type as a string. 

The function must meet the following requirements: 

Return "Non-Member" if the memberCode is 0. 

Return "Member" if the memberCode is 1. 

Return "Invalid" if the memberCode is any value other than 0 or 1. 

You need to implement the function to meet the requirements. 

How should you complete the relevant code? (To answer, drag the appropriate statements to the correct locations in the answer area. Each statement 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: 

Q67. - (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. HMACSHA256 

B. RNGCryptoServiceProvider 

C. DES 

D. Aes 

Answer: A 

Explanation: 

The .NET Framework provides the following classes that implement hashing algorithms: 

HMACSHA1. 

MACTripleDES. 

MD5CryptoServiceProvider. 

RIPEMD160. 

SHA1Managed. 

SHA256Managed. 

SHA384Managed. 

SHA512Managed. 

HMAC variants of all of the Secure Hash Algorithm (SHA), Message Digest 5 (MD5), and 

RIPEMD-160 algorithms. 

CryptoServiceProvider implementations (managed code wrappers) of all the SHA 

algorithms. 

Cryptography Next Generation (CNG) implementations of all the MD5 and SHA algorithms. 

http://msdn.microsoft.com/en-us/library/92f9ye3s.aspx#hash_values 

Q68. - (Topic 2) 

You are developing an application by using C#. The application includes a method named SendMessage. The SendMessage() method requires a string input. 

You need to replace "Hello" with "Goodbye" in the parameter that is passed to the SendMessage() method. 

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,C 

Explanation: * The first parameter should be Hello. 

* String.Replace Method (String, String) 

Returns a new string in which all occurrences of a specified string in the current instance are replaced with another specified string. 

This method does not modify the value of the current instance. Instead, it returns a new string in which all occurrences of oldValue are replaced by newValue. 

Q69. - (Topic 2) 

You are developing an application that uses a .config file. 

The relevant portion of the .config file is shown as follows: 

You need to ensure that diagnostic data for the application writes to the event log by using the configuration specified in the .config file. 

What should you include in the application code? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: A 

Explanation: Explanation 

http://msdn.microsoft.com/en-us/library/vstudio/system.diagnostics.eventlogtracelistener 

Public static void Main(string[] args) { 

Create a trace listener for the event log. 

EventLogTraceListener myTraceListener = new 

EventLogTraceListener("myEventLogSource"); 

Add the event log trace listener to the collection. 

Trace.Listeners.Add(myTraceListener); 

// Write output to the event log. 

Trace.WriteLine("Test output"); 

} 

Q70. - (Topic 2) 

You are evaluating a method that calculates loan interest. The application includes the following code segment. (Line numbers are included for reference only.) 

When the loanTerm value is 5 and the loanAmount value is 4500, the loanRate must be set to 6.5 percent. 

You need to adjust the loanRate value to meet the requirements. 

What should you do? 

A. Replace line 15 with the following code segment: loanRate = 0.065m; 

B. Replace line 07 with the following code segment: loanRate = 0.065m; 

C. Replace line 17 with the following code segment: interestAmount = loanAmount * 0.065m * loanTerm; 

D. Replace line 04 with the following code segment: decimal loanRate = 0.065m; 

Answer: A