please answer questions

What is the following code called? @ Layout = null; \} a. A Razor expression b. A Razor code block c. A Razor view d. A Razor layout QUESTION 21 If the following code is in a Razor view imports file, what does it do? (C) using GuitarShop.Models (BaddTagHelper ", Microsoft.AspNetCore.Mve.TagHelpers a. It makes it easier to use the model classes in the GuitarShop namespace. b. It makes it easier to use the tag helpers that are available from ASP.NET Core MVC. c. It helps views display more quickly when they start. d. All of the above e. A and B only Which of the following statements is true? a. NET Core only nuns on Windows. b..NET Framework supports ASP.NET Core MVC development. c. NET Framework only runs on Windows. d. NET Core supports Web Forms development. QUESTION 23 A CSS style sheet a. provides a way to store CSS formatting for multiple pages in a single file b. provides a way to store HTML elements for multiple pages in a single file c provides a way to store HTML elements that are unique to a web page d. lets you specify the default Razor layout QUESTION 24 In a view, which of the following tag helpers displays a summary of all validation errors that are stored in the model? a. asp-action "Validationsummary" b. asp-actiona"All C. asp-validation-summary="ModelState" d. asp-validation-summary="AII