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？（）
- AUse SSH to encrypt content as it is transferred to the Web server on the perimeter network
- BInstall the Microsoft FrontPage Server Extensions， and use FrontPage to update content
- CUse Web Distributed Authoring and Versioning （WebDAV） over and SSL connection to the Web server to update content
- DUse FTP over an IPSec connection to transfer content to the Web server
- EUse Telnet to connect to the Web server， and then perform content changes directly on the server