300-820 · Question #234
300-820 Question #234: Real Exam Question with Answer & Explanation
The correct answer is D: It allows media between Mobile and Remote Access registered endpoints through Expressway.. Interactive Connectivity Establishment (ICE) passthrough in Cisco Expressway allows media to flow through the Expressway for endpoints registered via Mobile and Remote Access (MRA). This mechanism supports NAT traversal and ensures secure media routing when direct endpoint-to- en
Question
What is a capability of Interactive Connectivity Establishment passthrough in Cisco Expressway?
Options
- AIt enables media path optimization between endpoints by leveraging a TURN relay.
- BIt allows direct SIP communication between Mobile and Remote Access registered endpoints
- CIt enables the integration of Cisco UCM call services and Cisco Webex Cloud.
- DIt allows media between Mobile and Remote Access registered endpoints through Expressway.
Explanation
Interactive Connectivity Establishment (ICE) passthrough in Cisco Expressway allows media to flow through the Expressway for endpoints registered via Mobile and Remote Access (MRA). This mechanism supports NAT traversal and ensures secure media routing when direct endpoint-to- endpoint media paths are not possible due to firewall or NAT constraints.
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