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 TK1 runs IIS. You install a Web-enabled application on TK1. The application includes a security feature that detects unauthorized attemptsto access the server. Whenever an authorized attempt is detected, the application automatically modifies the IIS configuration file to restrict the unauthorized user's access. To test the security feature, you try to gain unauthorized access to TK1. Twenty seconds after your first attempt, you try again. However, TK1 does not restrict your access on the second attempt. You wait five minutes, and then you examine the IIS configuration file. You verify that it was correctly modified by the application to restrict your access. You need to configure IIS to ensure that changes in the IIS configuration file will result in immediate changes in the behaviour of IIS. What should you do?（）

• A、Select the Enable Direct Metabase Edit option.
• B、Specify the service account for the Application Pool as the IIS service account.
• C、Select the Enable Rapid-Fail protection option.
• D、Specify the status of the Internet Data Connector Web service extension as Allow.