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Exam 300-820 topic 1 question 83 discussion

Actual exam question from Cisco's 300-820
Question #: 83
Topic #: 1
[All 300-820 Questions]

When a Cisco Webex Video Mesh Node is configured for an organization, which process does the Webex Teams client use to discover the optimal bridging resource?

  • A. the lowest STUN round-trip delay to each node and cloud
  • B. a reachable Video Mesh Node and then overflows to the cloud, if needed
  • C. the SIP delay header during call setup
  • D. an HTTPS speed and latency test to each node and the cloud
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
Reference:
https://www.cisco.com/c/en/us/solutions/collateral/unified-communications/spark-hybrid-services/datasheet-c78-738153.html

Comments

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FreeWill06
1 year ago
the question is about "discovering" not selecting, under this circonstances, I would say B is the correct answer.
upvoted 1 times
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Omitted
1 year, 4 months ago
Selected Answer: B
Tough because A isn't wrong but B is the better answer since lowest STUN RT isn't the only criteria.
upvoted 1 times
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JCArias
1 year, 5 months ago
B is correct, only selects cloud cluster if round-trip delay is higher than 250ms, but option A says the "lowest" which is not a rule always
upvoted 1 times
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Pashat
1 year, 9 months ago
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/videomesh/cmgt_b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment-guide_chapter_010.html looks like A to me. Document specifies low stun rtt
upvoted 2 times
Collabinski
9 months, 4 weeks ago
Local reachable Video Mesh resources are tried first, in order of lowest SRT delay. When all local resources are exhausted, the participant connects to the cloud. https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/videomesh/cmgt_b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment-guide_chapter_010.html
upvoted 2 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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