HP Exam Questions

what industry standard parameter(s) need to be defined by the customer prior to any investment made

According to ITIL best practice, what industry standard parameter(s) need to be defined by the
customer prior to any investment made in designing and building any new IT service?

A.
RPO

B.
RTO and RPO

C.
RTO and CTO

D.
MTO, RPO, RTO and CTO