Agile techniques, such as Scrum, see s/w project management: Select one: a. as requiring a high level of discipline and process b. as largely useless, because s/w development is filled with so many uncertainties that it defies project management discipline c. as largely concerned with "art" rather than "science," where effective use of people is central to effective s/w development d. as indistinguishable from the system development life cycle