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.)

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?

HOTSPOT
You define a class by using the following code:

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

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.)

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?

HOTSPOT
You define a class by using the following code:

You write the following code for a method (line numbers are included for reference only):

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

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?

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

You need to ensure that if an exception occurs, the exception will be logged.
Which code should you insert at line 28?

You have the following code:

You need to retrieve all of the numbers from the items variable that are greater than 80.
Which code should you use?

You are creating a console application named Appl.
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?