When using a cable modem, the term downstream refers to data pulled from the Internet

Which of the following operations do bidirectional iterators have?

A. Prefix operator* to make available the container element for use as l-value or r-value. B. Overloaded operator+ to add an int value to the iterator to move the place the iterator points forward by the argument number of elements. C. Overloaded operator* to multiply the iterator by an int value to move the place the iterator points by a number of elements equal to the argument. D. Overloaded operator- to move the place the iterator points backware by a number of elements equal to the argument.

Why is it important to remember to account for all affected parties when doing a utilitarian calculus?

What will be an ideal response?