Which two items are configured when deploying a B2B collaboration solution? (Choose two)

Which two items are configured when deploying a B2B collaboration solution? (Choose two)
A . DNS zone on a Cisco Expressway-C
B . SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-C
C . search rules in Cisco Expressway-E
D . traversal client on a Cisco Expressway-E
E . SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-E

View Answer

Answer: CE