What concept group types together into easily deployable units $($DLL files$)?$

A$.$ base class library

B$..$NET library

C$.$ terminal library

D$.$ class library

Which concept of object$-$oriented programming is about allowing a derived class to override an

inherited action to provide customer behavior?

A$.$ Polymorphism

B$.$ Abstraction

C$.$ Inheritance

D$.$ Encapsulation

Which concept of object$-$oriented programming is about what an object is made of$?$

A$.$ Encapsulation

B$.$ Abstraction

C$.$ Composition

D$.$ Aggregation

Which concept of object$-$oriented programming is the combination of the data and actions that are

related to an object?

A$.$ Encapsulation

B$.$ Composition

C$.$ Aggregation

D$.$ Abstraction

Which concept of object$-$oriented programming is about reusing code by having a subclass derive

from a base or superclass?

A$.$ Encapsulation

B$.$ Abstraction

C$.$ Polymorphism

D$.$ Inheritance

The Dispose$()$ method defines a disposal method to release unmanaged resources more efficiently

than waiting for the finalize?

A$.$ True

B$.$ False

The IFormatter interface defines methods to convert an object to and from a stream of bytes

for storage or transfer?

A True

B$.$ False

The CompareTo$($other$)$ method defines a comparison method that a secondary type

implements to order or sort instances of a primary type?

A True

B$.$ False

C# $8\mathrm{.}0$ allows an interface to add new members after release as long as they have a default

implementation?

A True

B$.$ False

A finalizer releases resources; that is$,$ it destroys an object?

a$.$ True

b$.$ False