An engineer has bound three monitors to a service group and configured each of the monitors with
a weight of 10. How should the engineer ensure that the members of the service group are marked
as DOWN when at least two monitors fail?

A.
Re-configure the weight of each monitor to 0.
B.
Configure the service group with a threshold of 21.
C.
Configure the service group with a threshold of 20.
D.
Re-configure the weight of each monitor to 5, and configure the service group threshold to 15.