Question 3. 3.3. Which statement is correct regarding a three-tier framework? Points 2 CA. Data are stored on the user tier. B. Data are stored on the web server tier. C. Data are transparent and will not be stored in any tier. D. Data are stored on the application server tier. Question 4. 4. 4. Which statement is correct regarding the concept of Internet of Things (Points :2. (loT)? A. All devices are treated as "mobile" devices, so users can have flexibility in data B. File sharing is not a function of IoT D. A user must use a designated web browser (e g, only Chrome, not Firefox) in order processing. C. In order to use loT, a user must have an Apple iOS device to correctly control IBM Bluemix