Define the IT organizational structure and how the IT organizational

Define the IT organizational structure and how the IT organizational structure impacts culture and change management practices.  Additionally, how does the organizational structure impact competitive advantage?
How do you define operational excellence?  What factors are involved in achieving operational excellence?  Who (within an organization) is responsible for operational excellence and why is this important?

** Please note you have minimal space and time to complete the assignment, do NOT write an introduction, rather just answer the selected question noted above. This is a test of both knowledge and your ability to be succinct in messaging**