You are the network administrator for Fabrikam， Inc. The network consists of a single Active Directory domain named fabrikam.com. A Windows Server 2003 computer named Server1 functions as the DNS server for the domain.Wingtip Toys is a division of Fabrikam， Inc. The Wingtip Toys network consists of a single Active Directory domain named wingtiptoys.com. Server1 is a secondary zone server for wingtiptoys.com.You are monitoring notification traffic between the two domains. You need to keep a record of when the primary DNS server for wingtiptoys.com informs Server1 of available changes in the wingtiptoys.com zone.  What should you do？（）

• A、Use the Performance console to create a log of the DNS performance counter Notification Received on Server1.
• B、Enable debug logging on Server1. Configure the log to record Notification events.
• C、Run the replmon command to monitor replication events on Server1.
• D、Run the dcdiag command to check DNS registration on Server1.