With a fiber-optic cable installation _______ strands are normally used, one for each direction

Which of the following forms of e-commerce has created an opportunity for many people to make a living out of selling items on auction Websites?

A. Business-to-business (B2B) e-commerce B. Consumer-to-consumer (C2C) e-commerce C. Consumer-to-business (C2B) e-commerce D. Business-to-consumer (B2C) e-commerce

The XYZ Company makes widgets. Here is a table of production data recorded at several times throughout the day:

What will be an ideal response?