You are the network administrator for The network consists of a single Active Directory domain named All network servers run Windows Server 2003. A member server named Testking1 runs IIS and hosts all content for company Web sites. One Web site is redesigned. When you browse the redesigned site, you select a hyperlink and receive the following error message: "HTTP Error 404 - File or directory not found." You verify that a necessary content file is missing from Testking1. You need to discover whether the same error was generated by any other Web server requests. What should you do?（）

A. Open the most recent file in C:\windows\system32\inetsrv\History. Search for error entries of type 404.
B. Open the most recent file in C:\windows\system32\LogFiles\W3SVC1. Search for error entries of type 404.
C. Open Event Viewer and connect to Testking1. Filter the system event log to display only events from the IISLOG event source with event ID 404.
D. Open Event Viewer and connect to Testking1. Filter the application event log to display only events from the WebClient event source with event ID 404.