B is correct...
...444 port references from Requirements for Proxy Support for Video Mesh, Ports and Protocols for Management, Configure Video Mesh Node for Proxy Integration, and Configure Video Mesh Node for Proxy Integration
Correct answer is D. The only type of signaling between WVM Nodes and Cloud media services is cascade signaling which uses TCP Port 444.
Source:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/videomesh/cmgt_b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment-guide_chapter_010.html#reference_931D7E96CA43B51A44E9A01B14BEB0F4
Table 4-3 Traffic Signatures for Cascade Signaling to the Webex Cloud Media Services
Source - Video Mesh Node
Destination - Webex Cloud Media Services
Source Address - ANY
Source Port - ANY
Protocol - TCP
Destination Address - ANY
Destination Port - 444
I'm sorry, but the correct answer is B. signaling over HTTPS TCP port 443, not D. signaling over TCP port 444.
On-premises Cisco Webex Video Mesh Nodes use HTTPS over port 443 to signal with Cloud Media Services. This communication is secured with SSL/TLS encryption. HTTPS is the protocol used for secure communication over the internet and port 443 is the default port for HTTPS traffic.
Option D is not correct because there is no mention of signaling over port 444 in the documentation for Cisco Webex Video Mesh.
But the question is not saying anything about cascade just signaling, in that case should be 443 I think and B as correct answer
upvoted 2 times
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