You have a SharePoint Server 2010 Service Pack 1 (SP1) server farm. The farm contains five front-end
Web servers. Users access the farm 24 hours a day. You plan to perform routine maintenance on all
of the front-end Web servers. You need to identify the time of day when the fewest number of users
are connected to the farm. What should you use?

A.
PerformancePoint Services

B.
Web Analytics reports

C.
Resource Monitor

D.
site quotas and locks