Which Cisco Unified CallManager RTMT component retrieves real-time information that exists on nodes in the cluster?

A.
Log Partition Monitor

B.
RTMT Java client

C.
Serviceability Reporter

D.
Alert Manager and Collector

Explanation:
Cisco AMC Service, a Network Service for CallManager is used for the RTMT. Alert Manager and Collector (AMC) service, existed as a component of the Cisco RIS Data Collector service in previous Windows release of Cisco CallManager. Now with CCM 5.0 the AMC service allows RTMT to retrieve real-time information that exists on nodes in the cluster.
Reference:
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a008037d512.html#
see: Service Management, Network Services, CM Services