Your company has an Active Directory directory service domain. All servers run Windows Server 2003. You are developing a security monitoring plan. You must monitor the files that are stored in a specific directory on a member server. You have the following requirements. Log all attempts to access the files.Retain log information until the full weekly backup occurs. You need to ensure that the security monitoring plan meets the requirements. 
What should your plan include？（）

Your company has a single Active Directory directory service domain. Servers in your environment run Windows Server 2003. Client computers run Windows XP or Windows Vista. You plan to create an internal centrally managed security update infrastructure for client computers. You need to choose a security update management tool that supports all the client computers. 
Which tool should you choose？ （）