3 pts Question 21 Cloud Service Integration:If a client needs to integrate many second tier SaaS applications, then the best approach would be Integration platform as a service e On premise integration platform Point to point integration Enterprise service bus Question 22 3 pts If there are uncertainties in a project, vendors will typically prefer fixed price contracts False D Question 23 3 pts A vendor is more likely to accept requirements changes in a Firm Fixed Price contract. O True - False