You are able to access a Web server from your computer by using the IP address of the Web server. You fail to access the Web server when you use its fully qualified domain name. Other users on your network can access the Web server by using both the IP address and the fully qualified domain name. You need to access the Web server by using the fully qualified domain name. What should you do?（）

• A、A
• B、B
• C、C
• D、D