Your manager wants you to setup a more dynamic set of alarms, more responsive to the workload
changes in the cloud environment. To accomplish this, which of the following vCenter Operations
Manager alarms features would you use?

A.
Self-Adjusting Alerts

B.
Dynamic Alerts

C.
Dynamic Thresholds

D.
Smart Alerts

Explanation:
http://www.vmware.com/files/pdf/vcenter/VMware-vCenter-Operations-DSEN.pdf(Search for smart alerts)