多项选择题 You create a Web Form that contains connected Web Parts. You write the following declaration in your Web Form. You need to ensure that your Web Part connection is valid. Which two actions should you perform? （）

单项选择题 You create a master page named Article.master. Article.master serves as the template for articles on your Web site. The master page uses the following page directives. You need to create a content page that uses the master page as a template. In addition, you need to use a single master page for all devices that access the Web site. Which code segment should you use? （）

多项选择题 You create Web sites for your company. You apply a consistent design to the pages and controls of the Web sites. You need to make style changes to all of the Web sites on the Web server. You want to achieve this goal without having to edit the individual pages on each Web site. Which two actions should you perform? （）