Doug Is an IT Support Officer in His Organisation

Multiple Choice

Doug is an IT support officer in his organisation.He receives calls relating to network access problems,login problems and other small issues related to computer usage.Doug sees himself as a motivated individual.He tries very hard to do his job well. If Doug channels his efforts into making a list of all the potential problems that can arise so he can respond to people's IT queries more efficiently,it would exemplify:

A) intensity.
B) direction.
C) persistence.
D) all of the above.