How long after the Azure ATP cloud service is updated will the sensor update?

You implement Microsoft Azure Advanced Threat Protection (Azure ATP).
You have an Azure ATP sensor configured as shown in the following exhibit.

How long after the Azure ATP cloud service is updated will the sensor update?
A. 1 hour
B. 12 hours C. 48 hours D. 7 days
C. 48 hours D. 7 days
E. 24 hours