DRAG DROP
You are developing an application by using C#. The application will process several objects per second.
You need to create a performance counter to analyze the object processing.
Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of
actions to the answer area and arrange them in the correct order.)
Select and Place:

You are developing an application. The application calls a method that returns an array of integers named
customerIds. You define an integer variable named customerIdToRemove and assign a value to it. You declare
an array named filteredCustomerIds.
You have the following requirements.
Remove duplicate integers from the customerIds array.
Sort the array in order from the highest value to the lowest value.
Remove the integer value stored in the customerIdToRemove variable from the customerIds array.
You need to create a LINQ query to meet the requirements.
Which code segment should you use?

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?

You are developing an application by using C#.
The application includes an object that performs a long running process.
You need to ensure that the garbage collector does not release the object’s resources until the process
completes.
Which garbage collector method should you use?

You are creating a class named Employee. The class exposes a string property named EmployeeType. The
following code segment defines the Employee class. (Line numbers are included for reference only.)

The EmployeeType property value must meet the following requirements:
The value must be accessed only by code within the Employee class or within a class derived from the
Employee class.
The value must be modified only by code within the Employee class.
You need to ensure that the implementation of the EmployeeType property meets the requirements.
Which two actions should you perform? (Each correct answer represents part of the complete solution. Choose
two.)

You are creating an application that manages information about your company’s products. The application
includes a class named Product and a method named Save.
The Save() method must be strongly typed. It must allow only types inherited from the Product class that use a
constructor that accepts no parameters.
You need to implement the Save() method.
Which code segment should you use?

You are developing an application that uses the Microsoft ADO.NET Entity Framework to retrieve order
information from a Microsoft SQL Server database. The application includes the following code. (Line numbers
are included for reference only.)

The application must meet the following requirements:
Return only orders that have an OrderDate value other than null.
Return only orders that were placed in the year specified in the year parameter.
You need to ensure that the application meets the requirements. Which code segment should you insert at line
08?

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 algorithmshould you use?

DRAG DROP
You are developing an application that will include a method named GetData. The GetData() method will
retrieve several lines of data from a web service by using a System.IO.StreamReader object.
You have the following requirements:
The GetData() method must return a string value that contains the entire response from the web service.
The application must remain responsive while the GetData() method runs.
You need to implement the GetData() method.
How should you complete the relevant code? (To answer, drag the appropriate objects to the correct locations
in the answer area. Each object 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.)
Select and Place:

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?