You have a server named Server1 that runs Windows Server 2012 R2.
You create a custom Data Collector Set (DCS) named DCS1.
You need to configure Server1 to start DCS1 automatically when the network usage
exceeds 70 percent.
Which type of data collector should you create?
A.
A performance counter alert
B.
A performance counter data collector
C.
An event trace data collector
D.
A configuration data collector
Answer is A
https://technet.microsoft.com/en-us/magazine/ff458614.aspx
You can also configure alerts to start applications and performance logs.