________ means that IT capacity can be easily scaled up or down as needed,which essentially requires cloud computing. A) agility B) flexibility C) responsiveness D) IT consumerization

Business agility is a measure of the responsiveness of business to business opportunities that is the time lapse between the emergence of a business opportunity and the the business formerly responding to the opportunity.

By similar analogy, IT agility is about the responsiveness of an organizations IT infrastructure to external stimuli. As such IT agility measures the systems adaptability to change (which may involve scaling down) or how easily it is for the IT system to be able to produce new transferable opportunities which involves scaling up as needed.