300-820 · Question #152
Within which cache timeline do the Webex App endpoints perform a STUN test to calculate round-trip delay time to available media node clusters?
The correct answer is B. 2 hours. Webex App endpoints cache the results of media node cluster reachability data. Within this 2-hour cache window, the client performs STUN (Session Traversal Utilities for NAT) tests to measure round-trip delay (RTT) to available Video Mesh Node clusters and Webex media nodes…
Question
Within which cache timeline do the Webex App endpoints perform a STUN test to calculate round-trip delay time to available media node clusters?
Options
- A1 hour
- B2 hours
- C4 hours
- D6 hours
How the community answered
(23 responses)- A4% (1)
- B91% (21)
- C4% (1)
Explanation
Webex App endpoints cache the results of media node cluster reachability data. Within this 2-hour cache window, the client performs STUN (Session Traversal Utilities for NAT) tests to measure round-trip delay (RTT) to available Video Mesh Node clusters and Webex media nodes. This allows the client to intelligently select the optimal media node for a meeting. After 2 hours, the cache expires and a new STUN measurement cycle is triggered to ensure the RTT data reflects current network conditions.
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