Answer the following statements true (T) or false (F)

1) A concrete class that implements an interface must define all methods
and properties of that interface.
2) An interface can not provide properties with get and set accessors.
3) class that implements an interface may not act as a base class for other
classes.
4) An interface reference may invoke only the methods that the interface
declares.

1) T
2) F
3) F
4) T