Q: Does C# support multiple-inheritance?
Ans: No.
Q: Who is a protected class-level variable available to?
Ans: It is available to any sub-class (a class inheriting this class).
Q: Are private class-level variables inherited?
Ans: Yes, but they are not accessible. Although they are not visible or accessible via the class interface, they are inherited.
Q: Describe the accessibility modifier “protected internal”.
Ans: It is available to classes that are within the same assembly and derived from the specified base class.
Q: What’s the top .NET class that everything is derived from?
Ans: System.Object
Q: What does the term immutable mean?
Ans: The data value may not be changed. Note: The variable value may be changed, but the original immutable data value was discarded and a new data value was created in memory.
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