DRAG DROP
You are developing a class named ExtensionMethods.
You need to ensure that the ExtensionMethods class implements the IsEmail() extension method on
string objects.
How should you complete the relevant code? (To answer, drag the appropriate code segments to
the correct locations in the answer are
a. 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.)

You are developing an application by using C#. The application includes the following code segment.
(Line numbers are included for reference only.)

The DoWork() method must throw an InvalidCastException exception if the obj object is not of type
IDataContainer when accessing the Data property.
You need to meet the requirements. Which code segment should you insert at line 07?

An application receives JSON data in the following format:

The application includes the following code segment. (Line numbers are included for reference only.)

You need to ensure that the ConvertToName() method returns the JSON input string as a Name
object.
Which code segment should you insert at line 10?

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

The GetCustomers() method must meet the following requirements:
Connect to a Microsoft SQL Server database.
Populate Customer objects with data from the database.
Return an IEnumerable<Customer> collection that contains the populated Customer objects.
You need to meet the requirements.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose
two.)

DRAG DROP
You are developing an application that includes a class named Customer.
The application will output the Customer class as a structured XML document by using the following
code segment:

You need to ensure that the Customer class will serialize to XML.
How should you complete the relevant code? (To answer, drag the appropriate code segments to
the correct locations in the answer are
a. 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.)

An application will upload data by using HTML form-based encoding. The application uses a method
named SendMessage.
The SendMessage() method includes the following code. (Line numbers are included for reference
only.)

The receiving URL accepts parameters as form-encoded values.
You need to send the values intA and intB as form-encoded values named a and b, respectively.
Which code segment should you insert at line 04?

You are developing an application. The application converts a Location object to a string by using a
method named WriteObject.
The WriteObject() method accepts two parameters, a Location object and an XmlObjectSerializer
object.
The application includes the following code. (Line numbers are included for reference only.)

You need to serialize the Location object as XML.
Which code segment should you insert at line 20?

You are developing an application that includes a class named Order. The application will store a
collection of Order objects.
The collection must meet the following requirements:
Internally store a key and a value for each collection item.
Provide objects to iterators in ascending order based on the key.
Ensure that item are accessible by zero-based index or by key.
You need to use a collection type that meets the requirements.
Which collection type should you use?

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

You need to ensure that the application accepts only integer input and prompts the user each time
non-integer input is entered.
Which code segment should you add at line 19?

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?