In a Cisco Unified Contact Center Enterprise system with redundant Cisco Unified IP IVRs
deployed, how should the IP IVRs be configured?

A.
with both IP IVRs pointed to two of the Cisco Unified Communications Manager subscribers on
the cluster using different Application User names

B.
with both IP IVRs pointed to dedicated Cisco Unified Communications Manager subscribers on
the cluster using different Application User names, each pointing to their own subscriber

C.
with both IP IVRs pointed to dedicated Cisco Unified Communications Manager subscribers on
the cluster using the same Application User names, each pointing to their own subscriber

D.
with each IP IVR pointed to two of the Cisco Unified Communications Manager subscribers on
the cluster using the same Application User names

Explanation: