An administrator has just installed a web server for the companys Internet site. After bringing the system online， customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues.  Which of the following is the MOST likely reason for this？（）

• A、 The servers firewall is misconfigured.
• B、 The server’s timeout feature is set incorrectly.
• C、 The web server was not installed properly.
• D、 The company firewall is misconfigured.