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Question No.131

You are developing an application that retrieves patient data from a web service. The application stores the JSON messages returned from the web service in a string variable named

PatientAsJson. The variable is encoded as UTF-8. The application includes a class named Patient that is defined by the following code:

You need to populate the Patient class with the data returned from the web service. Which code segment should you use?

1. Option A

2. Option B

3. Option C

4. Option D

Correct Answer: A

Question No.132

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 {

03

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?

1. Option A

2. Option B

3. Option C

4. Option D

Correct Answer: A

Question No.133

You have an application that will send confidential information to a Web server. You need to ensure that the data is encrypted when it is sent across the network. Which class should you use?

1. CryptoStream

2. AuthenticatedStream

3. PipeStream

4. NegotiateStream

Correct Answer: A

Question No.134

You are developing a class named EmployeeRoster. The following code implements the EmployeeRoster class. (Line numbers are included for reference only.)

You create the following unit test method to test the EmployeeRoster class implementation:

You need to ensure that the unit test will pass. What should you do?

1. Option A

2. Option B

3. Option C

4. Option D

Correct Answer: B

Question No.135

You are developing an application that produces an executable named MyApp.exe and an assembly named MyApp.dll. The application will be sold to several customers. You need to ensure that enough debugging information is available for MyApp.exe, so that if the application throws an error in a customer#39;s environment, you can debug the error in your own development environment. What should you do?

1. Digitally sign MyApp.dll.

2. Produce program database (PDB) information when you compile the code.

3. Compile MyApp.exe by using the /unsafe compiler option.

4. Initializes a new instance of the AssemblyDelaySignAttribute class in the MyApp.dll constructor.

Correct Answer: B

Question No.136

You are modifying an existing banking application.

The application includes an Account class and a Customer class. The following code segment defines the classes.

You populate a collection named customerCollection with Customer and Account objects by using the following code segment:

You create a largeCustomerAccounts collection to store the Account objects by using the following code segment:

Collectionlt;Accountgt; largeCustomerAccounts = new Collectionlt;Accountgt; ();

All accounts with a Balance value greater than or equal to 1,000,000 must be tracked. You need to populate the largeCustomerAccounts collection with Account objects.

Which code segment should you use?

1. Option A

2. Option B

3. Option C

4. Option D

Correct Answer: C

Question No.137

You are implementing a method named GetValidEmailAddresses. The GetValidEmailAddresses() method processes a list of string values that represent email addresses.

The GetValidEmailAddresses() method must return only email addresses that are in a valid format.

You need to implement the GetValidEmailAddresses() method.

Which two code segments can you use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

1. Option A

2. Option B

3. Option C

4. Option D

Correct Answer: BD

Explanation:

Note:

• Listlt;Tgt;.Add Method

  Adds an object to the end of the Listlt;Tgt;.

  Question No.138

  HOTSPOT

  You define a class by using the following code:

  

  To answer, complete each statement according to the information presented in the code.

  

  Correct Answer:

  

  Question No.139

  DRAG DROP

  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.)

  

  Correct Answer:

  

  Question No.140

  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?

  1. Configure the assembly metadata to use the pre-existing public key for the assembly identity by using the AssemblySignatureKeyAttribute attribute.

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

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

  4. Decorate the code by using the [assembly:AssemblyDelaySignAttribute(true)] attribute.

  Correct Answer: C

  Explanation:

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

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