Which metrics should the administrator review in Prism Analysis Graphs?

An administrator is reviewing performance of a core banking system that routinely has 20,000 concurrent users. During, business hours, the CPU on the applications servers runs at close to 100%. The administrator needs to determine if there is a performance issue specific to the app servers, the database servers, or all servers on the cluster.

Which metrics should the administrator review in Prism Analysis Graphs?
A . Cluster IO, Network, Database and App Server CPU
B . Cluster CPU and Memory Only
C . Cluster IO, CPU, Memory and Database and App Server CPU
D . Cluster IO, CPU, Memory, Network, App Server CPU

Answer: C