This question tests your understanding of the evolution of C++ from C.
Polymorphism is a core concept in C++ that allows functions or operators to behave differently based on the context.
Resource Acquisition Is Initialization (RAII) is a programming principle in C++ that ties resource management to object lifetime.
This rule is important for managing resource ownership and avoiding shallow copies of dynamically allocated resources, which can lead to resource leaks and dangling pointers.
A virtual function is a member function in a base class that you expect to redefine in derived classes.