Which tool allows the administrator to analyze call routing in Cisco Unified Communications Manager without physically placing a call?

Which tool allows the administrator to analyze call routing in Cisco Unified Communications Manager without physically placing a call?

A.
Cisco Unified Communications Manager Dialed Number Analyzer

B.
Cisco IOS Gateway debug commands

C.
Cisco Unified Communications Manager RTMT trace output

D.
base configuration information for this user specifies Class of Restrction, Partition and Calling Search Space information

E.
Cisco Unified Communications Manager Serviceability tools

F.
Cisco Unified Communications Manager OS Administation