All objects in .NET inherit from which item?

You have a class with a property.
You need to ensure that consumers of the class can write to the value of the property.
Which keyword should you use?

HOTSPOT
You are reviewing the following class that is used to manage the results of a 5K race:

For each of the following statements, select Yes if the statement is true. Otherwise, select
No. Each correct selection is worth one point.

You are creating an application that presents the user with a Windows Form.
Which event is triggered each time the Windows Form receives focus?

What are the three basic states that a Windows service can be in? (Choose three.)

You have a Windows Service running in the context of an account that acts as a nonprivileged user on the local computer. The account presents anonymous credentials to any
remote server.
What is the security context of the Windows Service?

This question requires that you evaluate the underlined text to determine if it is correct.
Arguments are passed to console applications as a Hashtable object.
Select the correct answer if the underlined text does not make the statement correct. Select
“No change is needed” if the underlined text makes the statement correct.

You run the following code:

What is the value of result when the code has completed?

This question requires that you evaluate the underlined text to determine if it is correct.
To minimize the amount of storage used on the hard drive by an application that generates
many small files, you should make the partition as small as possible.
Select the correct answer if the underlined text does not make the statement correct. Select
“No change is needed” if the underlined text makes the statement correct.

You are designing a Windows Store application.
You need to design the application so that users can share content by connecting two or
more devices by physically tapping the devices together.
Which user experience (UX) guideline for Windows Store applications should you use?