A .  If you set the HBase service into maintenance mode, then its roles (HBase Master and all Region Servers) are put into effective maintenance mode
B .  If you set a host into maintenance mode, then any roles running on that host are put into effective maintenance mode
C .  Putting a component into maintenance mode prevent events from being logged
D .  None of the mentioned
Answer: Option C
Maintenance mode only suppresses the alerts that those events would otherwise generate.
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