300-820 · Question #77
Which connection does the traversal zone configuration define?
The correct answer is C. Cisco Expressway-C and Cisco Expressway-E platforms. A traversal zone is the zone type specifically designed to establish a secure, firewall-traversing signaling and media connection between Expressway-C (the traversal client, inside the network) and Expressway-E (the traversal server, in the DMZ or outside). Expressway-C uses a…
Question
Which connection does the traversal zone configuration define?
Options
- AExpressway-E and Collaboration Endpoints
- BCisco UC and Cisco Unified Presence Server
- CCisco Expressway-C and Cisco Expressway-E platforms
- DCisco UCS E-Series and Cisco UCM
How the community answered
(54 responses)- A4% (2)
- B2% (1)
- C93% (50)
- D2% (1)
Explanation
A traversal zone is the zone type specifically designed to establish a secure, firewall-traversing signaling and media connection between Expressway-C (the traversal client, inside the network) and Expressway-E (the traversal server, in the DMZ or outside). Expressway-C uses a 'Unified Communications traversal' zone to connect outbound to Expressway-E, which has a corresponding traversal server zone. This pair forms the core of the MRA and B2B architecture. The other options describe unrelated system pairings that do not use traversal zones.
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