Which protocol should be used to verify the connectivity for different media paths found during a call using ICE?
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A. B. C. D.A.
https://www.cisco.com/c/en/us/td/docs/solutions/PA/ICE/icepa125.htmlDuring a call that uses Interactive Connectivity Establishment (ICE), different media paths may be established for audio, video, or other types of media. ICE is a technique that allows the endpoints to find and select the most suitable media path by testing various transport protocols and network addresses. ICE uses several protocols to establish connectivity between endpoints, including Session Traversal Utilities for NAT (STUN), Real-time Transport Protocol (RTP), and Traversal Using Relay NAT (TURN).
Out of the given options, the most appropriate protocol to verify the connectivity for different media paths found during a call using ICE is STUN. STUN is a protocol used to determine the public IP address of a client that is hidden behind a Network Address Translation (NAT) router. It allows an ICE-enabled endpoint to discover its public IP address and the port that the router has allocated for the endpoint's traffic. STUN can also be used to test the connectivity of a media path by sending test packets and receiving responses.
RTP is a protocol used for transmitting audio and video data in real-time. It does not have any built-in connectivity testing mechanisms and is primarily used for transporting media. SNMP is a protocol used for network management and monitoring and is not used for verifying connectivity in ICE. TURN is a protocol used as a fallback option when ICE fails to establish a direct media path between endpoints. TURN uses relay servers to forward media traffic between endpoints and is not used for verifying connectivity during ICE.
In summary, the protocol that should be used to verify the connectivity for different media paths found during a call using ICE is STUN.