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Cisco 300-820 Exam - Topic 26 Question 110 Discussion

A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.Which statement is true?
C) Installing a Video Mesh Node in the DMZ requires the external firewall to allow UDP traffic from ANY port to the address of the Video Mesh Nodes via port 5004.
A) Webex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
B) Installing a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality.
D) Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams clients. A DMZ node is added for extra security.

Cisco 300-820 Exam - Topic 26 Question 110 Discussion

Actual exam question for Cisco's 300-820 exam
Question #: 110
Topic #: 26
[All 300-820 Questions]

A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.

Which statement is true?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Ressie at Apr 12, 2026, 06:43 AM

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Blythe
3 days ago
C is definitely true. External firewalls need to allow that traffic.
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Matthew
8 days ago
I agree with B. Full clustering needs those ports open.
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Eleonora
13 days ago
D sounds right. Internal nodes are useful for remote access.
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Alton
19 days ago
I’m leaning towards A. Security is key with DMZ nodes.
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Filiberto
24 days ago
I feel like option C makes sense too. UDP traffic is important.
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Devorah
29 days ago
I think option B is correct. Firewall rules are crucial.
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Svetlana
1 month ago
I disagree, I believe A is misleading about media control.
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Karima
1 month ago
D makes sense, extra security is always a good idea.
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Margot
1 month ago
Wait, do we really need to open all those ports? Sounds risky!
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Nina
2 months ago
I think B is correct about the firewall ports.
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Barb
2 months ago
A DMZ-based Mesh Node is definitely for security!
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Lonny
2 months ago
Not sure about C, seems like too much open traffic.
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Julio
2 months ago
I agree, internal nodes are great for media control!
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Shenika
2 months ago
Wait, do we really need to open all those ports? Sounds risky!
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Chantell
4 months ago
I think option B is correct about the firewall ports.
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Marge
4 months ago
A DMZ node does add extra security, that's true.
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Georgene
5 months ago
I’m leaning towards option B since I recall needing to open ports for full functionality, but I can’t remember the exact details.
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Lindy
5 months ago
I feel like option D makes sense because it mentions Mobile and Remote Access, but I’m not completely confident about how it ties into the DMZ setup.
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Clemencia
5 months ago
I think option C sounds familiar from a practice question, but I’m a bit hazy on the specifics of the UDP traffic requirements.
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Lavonne
5 months ago
I remember something about the DMZ setup needing specific ports opened, but I’m not sure if it’s just for clustering or if it’s more about media control.
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