Which two options are Cisco recommendations for enabling Cisco Unified Border Element to
perform a CAC? (Choose two.)

A.
a voice service VoIP that is configured on the unique Cisco Unified Border Element to enable
the CAC service

B.
two Cisco Unified Border Element gateways to enable RSVP-based CAC, with the media flowthrough command configured

C.
Cisco Unified Border Element gateways activating RSVP-based CAC, using the media flowaround command

D.
two Cisco Unified Communications Manager clusters interconnected using a Cisco Unified
Border Element

E.
an interconnection of a Cisco Unified Border Element and a Cisco Unified Communications
Manager to support both voice and video calls