Which statement about the integration of ISE with Cisco Prime Infrastructure version 2.2 is true? 

Answer options:

A. Cisco Prime Infrastructure can collect client authentication details from upto three configured ISE servers.
B. Cisco Prime Infrastructure can display ISE profiling attributes for authenticated and unauthenticated clients.
C. When two instances of ISE are added to Cisco Prime Infrastructure, one must be working in secondary mode.
D. ISE can be added to Cisco Prime Infrastructure only using user credentials of admin user configured locally on ISE.

C

A maximum of two ISEs can be added toPrime Infrastructure. If you add two ISEs, one should be primary and the other should be standby. When you are adding a standalone node, you can add only one standalone node and cannot add a second node. Reference: http://www.cisco.com/c/en/us/td/docs/net_mgmt/prime/infrastructure/2-2/user/guide/pi_ug/setup_monitor.html