Your network contains a single Active Directory domain. All domain controllers run Windows Server  
2008 R2. There are 1，000 client computers that run Windows 7 and that are connected to managedswitches.  
You need to recommend a strategy for network access that meets the following requirements：  
èUsers are unable to bypass network access restrictions.  
èOnly client computers that have up-to-date service packs installed can access the network.  
èOnly client computers that have up-to-date anti-malware software installed can access the network.  
What should you recommend？（）

Your network consists of a single Active Directory domain. All domain controllers run Windows Server  2008 R2.  
You need to plan an auditing strategy that meets the following requirements：
èAudits all changes to Active Directory Domain Services （AD？DS）
èStores all auditing data in a central location.
What should you include in your plan？（）