Question 1 – Describe the considerations an organization may use when determining the best fit for a cloud Infrastructure, why might they use a public, private, community or hybrid model?Question 2 – What is a “Web service-oriented architecture” and why is this an important concept relative to cloud computing? Explain why REST services have largely replaced the more tradition SOAP based implementations. Question 3 – Describe the features and components one might expect to find in the service layer for a cloud provider. Question 4 – Discuss the concepts of virtualization and multi-tenancy and indicate why they might be confused.