What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

Question

Options

• AICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are
• BICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between
• CICE uses FAST updates to optimize the video quality in case of packet loss. This technology is
• DICE enablement allows for the Cisco Collaboration endpoint to register through Expressway

• A
  3% (1)
• B
  87% (34)
• C
  8% (3)
• D
  3% (1)

Explanation

ICE (Interactive Connectivity Establishment) is an IETF standard (RFC 8445) that allows endpoints to discover the best available network path for media. In an MRA deployment, ICE tests multiple candidate paths - direct (host), STUN-reflexive (through NAT), and TURN-relayed (through a relay server) - to determine if a direct media path exists between two endpoints. If direct connectivity is possible, media bypasses the Expressway traversal infrastructure, reducing latency and server load. ICE does not control bandwidth (A), is not related to FAST updates for video quality (C), and registration through Expressway is the MRA function itself, not specifically what ICE provides (D).

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