Which two statements about Expressway media traversal are true? (Choose two.)
Expressway Control is the traversal server installed in the DMZ.
The Expressway Edge must be put in a firewall DMZ segment.
Cisco Unified Communications Manager zone can be either traversal server or client.
The Unified Communications traversal zone can be used for Mobile and Remote Access.
Both Expressway Edge interfaces can be NATed.
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