When a Cisco Unified Border Element is deployed to support RSVP-based CAC, which method is required?
A. RSVP-based CAC can be supported with either media flow-through or media flow-around if the Cisco Unified Communication manager is configured as an RSVP agent B. RSVP-based CAC only supports media flow-around
B. The Cisco Unified Border Element does not have to participate in the RSVP message exchange and will pass RSVP message through unchanged using media flow-around.
C. RSVP-based CAC requires Cisco Unified Border Element to use media flow-through.
