Which two configurations provide the best SIP trunk redundancy with Cisco Unified Communications Manager? (Choose two.)
A.
Configure all SIP trunks with DNS SRV.
B.
Configure all SIP trunks with Cisco Unified Border Element.
C.
Configure all SIP trunks to point to a SIP gateway.
D.
Configure SIP trunks to be members of route groups and route lists.
E.
Configure all SIP trunks to allow TCP ports 5060.
F.
Configure all SIP trunks to point to a gatekeeper through SIP to H.323 gateway.
Explanation:
Ok, Configure all SIP trunks with DNS SRV.