多项选择题 You create a Web Form. You need to add controls that use adaptive rendering to display content. The type of content rendered must depend on the device that is requesting the page. What are two possible ways to achieve this goal? （）

多项选择题 You create a server control that inherits from WebControl. You need to enable the server control to emit markup for a new kind of mobile device. You must not alter the code in the server controls. Which two actions should you perform?（）

单项选择题 You are developing a Web application. Your code restricts access to some pages based on the users credentials. You need to configure IIS to supply the users Windows credentials to your Web application. These credentials must be encrypted. What should you do? （）