In an effort to proactively manage IP telephony infrastructure, a network engineer wants to
review usage reports that provide top five users, top five calls, and traffic summary. Which
option describes where this information can be retrieved using Cisco Unified Communications
Manager?

A.
Navigate to Cisco Unified CM Administration > CDR Analysis and Reporting >System Reports >
System Overview > Select desired reports.

B.
Navigate to Cisco Unified Operating System Administration > Tools > System Reports > System
Overview > Select desired reports.

C.
Navigate to Cisco Unified Serviceability > Tools > CDR Analysis and Reporting > System
Reports > System Overview > Select desired reports.

D.
Navigate to Cisco Unified Reporting > Tools > System Reports > System Overview > Select
desired reports.