You need to design a method to update the content on the Web server. Your solution must meet business and security requirements. What are two possible ways to achieve this goal？（）

• A、Use SSH to encrypt content as it is transferred to the Web server on the perimeter network
• B、Install the Microsoft FrontPage Server Extensions， and use FrontPage to update content
• C、Use Web Distributed Authoring and Versioning （WebDAV） over and SSL connection to the Web server to update content
• D、Use FTP over an IPSec connection to transfer content to the Web server
• E、Use Telnet to connect to the Web server， and then perform content changes directly on the server