350-801 · Question #521
Which traversal server must be deployed in the Demilitarized Zone when configuring Mobile and Remote Access?
The correct answer is B. Cisco Expressway-E. When configuring Mobile and Remote Access (MRA) for Cisco Collaboration, the Cisco Expressway-E server must be deployed in the Demilitarized Zone (DMZ). This deployment enables secure traversal of signaling and media traffic between the internal corporate network and external…
Question
Which traversal server must be deployed in the Demilitarized Zone when configuring Mobile and Remote Access?
Options
- ACisco IM and Presence
- BCisco Expressway-E
- CCisco Unified Border Element
- DCisco Expressway-C
How the community answered
(30 responses)- B93% (28)
- C3% (1)
- D3% (1)
Explanation
When configuring Mobile and Remote Access (MRA) for Cisco Collaboration, the Cisco Expressway-E server must be deployed in the Demilitarized Zone (DMZ). This deployment enables secure traversal of signaling and media traffic between the internal corporate network and external endpoints (remote users or devices). Cisco Expressway-E: - Acts as the external-facing component of the Expressway solution. - Handles requests from external endpoints. - Interfaces securely with the Cisco Expressway-C, which resides inside the corporate network. - Ensures firewall traversal for SIP, H.323, and other collaboration protocols.
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