You are employed as the enterprise exchange administrator at Company.com..com makes use of Microsoft exchange server 2010 messaging solution.you are responsible for managing the exchange network for Company.com.you are experiencing various problems in the exchange environment.you decide to determine whether one of the other administrators executed any configuration changes in the organization.What should you do？（）
- AYou should consider running Exchange Best Practices Analyzer.
- BYou should consider running Microsoft Baseline Security Analyzer （MBSA）.
- CYou should consider running the Get-ExchangeServer cmdlet.
- DYou should consider running the Get-EventLogLevel cmdlet.