David Installs Software Update Services on a Network Server Named

Multiple Choice

David installs Software Update Services on a network server named S1. When David attempts to synchronize S1 with the Windows Update servers, he receives an error message. David suspects that the proxy server requires authentication.
He opens Internet Explorer and verifies that he can communicate with an external Web site by using the proxy server. What should David do to ensure that S1 can communicate with the Windows Update servers?

A) Configure authentication to the proxy server in the SUS options.
B) Restart the IIS administration tool.
C) Configure the Internet Explorer settings to bypass the proxy server.
D) Install the Microsoft Firewall Client.