Which option do all aspects of the Unified Communications and Collaboration system rely on?
Correct Answer: C
Explanation All aspects of the Unified Communications and Collaboration System, including call routing, call control, applications and services, and operations and serviceability, rely heavily on proper design and deployment of the system architecture. https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab09/clb09/ovarchit.pdf