Conduct research from questions listed below: Each question should have a sub-heading and explained distinctly. You must cite your sources in-text and provide your references at the bottom using the APA format. You must use other sources in addition to your textbook. The more sources, the better. Each question should have a minimum of one page and a maximum of 2 pages. Using illustrated diagrams may also provide better insights into your answers. However, you must credit the source. 1.) List and describe the set of distinct characteristics for an IT environment to be classified as an effective cloud. (you must sub-head each characteristic when explaining) 2.) Describe the ubiquitous access characteristic. of what importance are these to cloud computing 3.) Describe the multitenancy characteristic in relation to IT resources allocation. what is their effectiveness? 4.) Describe the Platform-as-a-Service (PaaS) cloud delivery model and how it provides a predefined cloud environment. Please submit as a word document using the 12-point font size, Arial, double line spacing throughout. You must have a title page. (title page should have - the name of the course, the name of the assignment, your name, your instructor’s name and date of submission with the year. All these must be centered in that first page).