Please answer asap

What is the difference between Authorization and Authentication? What is one of the most important considerations when deciding between developing in-house and buying system solution. Explain your answer. With reference to system architecture explain the difference between a thin client and a fat client. SaaS is a Cloud Service Model. What are the other two Cloud Service Models we discussed and what do the acronyms stand for? What is the difference between a RFP and a RFQ? What is the critical path in regards to project management? What does UX stand for? Explain what UX means. What are three types of reports we discussed in Chapter 8? What are three benefits of implementing a COTS solution? In SCRUM what are the three questions you should be prepared to answer if you are attending the daily standup meeting? What are two reasons for developing in-house software? Explain what a Gantt Chart is. What is the difference between Quality Assurance and Quality Control? Wh