A firewall needs to be manually downloaded, installed, and maintained for Windows 8

The administrator modifies a rule on the firewall, and now all the FTP users cannot access the server any longer. The manager calls the administrator and asks what caused the extreme downtime for the server. In regards to the manager's inquiry, which of the following did the administrator forget to do FIRST?

A. Submit a change request B. Schedule a maintenance window C. Provide notification of change to users D. Document the changes

?A ____ server hosts only one site.

A. ?shared B. ?dedicated C. ?both a. and b. D. ?none of the above