Select the set of classes the relationship among which

What is the primary benefit of polymorphism?

Which of the following is NOT a typical step in NLP text preprocessing?

Which of the following statements best describes a "trap door" in the context of computer security?

Which protocol is used to dynamically assign IP addresses to devices on a network? 

What is the primary goal of the Matrix Chain Multiplication problem in dynamic programming?

Which feature of Big Data refers to the speed of data generation and processing?

What is the significance of the "best case" time complexity of an algorithm?

Which of the following best describes the concept of ‘Concurrency’ in the context of Operating Systems? 

An algorithm has a time complexity of O(N² ). If the input size N doubles, how does the execution time approximately change?

Consider the following Python code:

    def mystery(a, b):

        if a == 0:

            return b