please answer questions

Which of the following is an attribute that's used to validate data? a. HttpGet b. Required c. asp-for d. ModelState QUESTION 18 When a dynamic web page is requested, the web server passes the request to a. the application server b. the database server c. the operating system d. the browser QUESTION 19 Code Example 2-1 public class HomeController: Controller \{ public IActionResult Index() \{ ViewBag.Description = "Gibson Les Paul"; ViewBag.Price =699.99; return View(); \} > Refer to Code Example 2-1. Which one of the following is a property of the HomeController class? a. Index0 b. View0 c. Controller d. ViewBag