You have a System Center Operations Manager 2007 environment. You create a self-tuning threshold monitor to monitor the number of user authentications against your companys Microsoft SQL Server 2005 computer. Most users log on at the same time each morning.
Occasionally, users log on one hour later than usual, which generates alerts. You need to configure a deviation to this baseline to reduce the number of these alerts. What should you do?

A.
Modify the Value Sensitivity of the monitor to a higher setting.

B.
Modify the Time Sensitivity of the monitor to a slower setting.

C.
Modify the Learning Rate of the monitor to a faster setting.

D.
Modify the Alert setting of the monitor to a lower number.

Explanation:
B: CORRECT
Defining a Self-Tuning Threshold

"…Optionally, click Advanced when you need to set either the Learning Rate or Time Sensitivity value. When youre satisfied with the values, click OK to close the Baselining Advanced dialog box."

from "Mastering System Center Operations Manager 2007"