Your network contains three Active Directory forests.
You create a Microsoft Azure Active Directory (Azure AD) tenant.
You plan to sync the on-premises Active Directory to Azure AD.
You need to recommend a synchronization solution. The solution must ensure that the synchronization can complete successfully and as quickly as possible if a single server fails.
What should you include in the recommendation?

A. three Azure AD Connect sync servers and three Azure AD Connect sync servers in staging mode

B. one Azure AD Connect sync server and one Azure AD Connect sync server in staging mode

C. three Azure AD Connect sync servers and one Azure AD Connect sync server in staging mode

D. six Azure AD Connect sync servers and three Azure AD Connect sync servers in staging mode








 

Suggested Answer: B

Azure AD Connect can be active on only one server.  You can install Azure AD Connect on another server for redundancy but the additional installation would need to be in Staging mode.  An Azure AD connect installation in Staging mode is configured and ready to go but it needs to be manually switched to Active to perform directory synchronization.
Reference:
https://docs.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-install-custom

This question is in MS-100 Exam
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