Q1) What are the main reasons for IT project failure? What is the most important thing that management can do to increase the likelihood of IT project success?

Q2) Consider a medium-sized company that has decided to begin using project management in a variety of its operations. As part of their operational shift, they are going to adopt a project management office somewhere within their organization.Suggest and give reasons for the type of Project Management Operation they should be adopting. What are some of the their key decision criteria that will help them determine which model makes most sense?