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Cisco 300-820 Exam - Topic 15 Question 83 Discussion

A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally.For which reason would you see activity on the TURN server when a call is established between two external endpoints?
D) The video call is using 4K resolution, which is not supported by ICE with CUCM 12.5
A) The video call is using encryption, which is not supported by ICE with CUCM 12.5
B) ICE cannot reduce the packet loss on the link
C) A STUN cannot punch holes in the firewall

Cisco 300-820 Exam - Topic 15 Question 83 Discussion

Actual exam question for Cisco's 300-820 exam
Question #: 83
Topic #: 15
[All 300-820 Questions]

A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally.

For which reason would you see activity on the TURN server when a call is established between two external endpoints?

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Suggested Answer: D

by Elli at Sep 17, 2024, 07:45 PM

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Venita
9 months ago
A is misleading, encryption is supported in newer versions.
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Peter
9 months ago
B doesn't make sense, ICE can help with packet loss!
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Argelia
10 months ago
Wait, is 4K really unsupported by ICE in CUCM 12.5?
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Dion
10 months ago
Totally agree with C! TURN is needed when STUN fails.
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Margart
10 months ago
C is the right answer! STUN can't handle firewall issues.
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Edwin
10 months ago
I thought 4K resolution in D was a possibility, but I can't recall if it directly relates to TURN server activity. It feels a bit off to me.
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Jaime
11 months ago
I practiced a similar question where TURN was involved, and it was about STUN not working, so I'm leaning towards C as well.
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Linsey
11 months ago
I'm not entirely sure, but I feel like the encryption part in A could be a factor, though I don't recall specifics about CUCM 12.5.
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Corazon
11 months ago
I remember something about TURN being used when STUN can't handle the firewall situation, so I think C might be the right answer.
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Tasia
11 months ago
Okay, I think I've got this. The key is that TURN is used when ICE can't establish a direct peer-to-peer connection, like when there's a firewall in the way. I'll focus on that in my answer.
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Maile
11 months ago
Hmm, I'm a bit confused about the relationship between ICE, TURN, and video quality. I'll need to review my notes on how these technologies work together.
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Mohammad
11 months ago
This looks like a tricky question about ICE and TURN servers. I'll need to think carefully about the different scenarios where TURN might be used.
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Johanna
11 months ago
This question seems straightforward - the TURN server is used when ICE can't punch a hole through the firewall, right? I'm pretty confident I know the right answer here.
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Frank
11 months ago
Okay, let's think this through. The health clinic and HR department are definitely high-risk, so those are out. The highway camera system could be a gray area, but the online magazine seems like the safest bet for the least likely to require a DPIA.
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Audra
1 year ago
So, the TURN server is doing some fancy footwork, huh? I guess they're the dance instructors of the networking world.
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Michel
1 year ago
B makes the most sense. ICE can't reduce packet loss? Clearly, the person who wrote this question has never heard of the internet.
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Rodrigo
1 year ago
C) A STUN cannot punch holes in the firewall
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Karl
1 year ago
B) ICE cannot reduce the packet loss on the link
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Ronald
1 year ago
A) The video call is using encryption, which is not supported by ICE with CUCM 12.5
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Melodie
1 year ago
D? 4K resolution not supported by ICE? Cisco must be living in the Stone Age.
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Mozell
1 year ago
User 3: C) A STUN cannot punch holes in the firewall
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Annmarie
1 year ago
User 2: B) ICE cannot reduce the packet loss on the link
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Angelo
1 year ago
User 1: A) The video call is using encryption, which is not supported by ICE with CUCM 12.5
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Starr
1 year ago
I'm going with C. A STUN can't punch holes in the firewall? That's like saying a bulldozer can't move rocks.
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Johnna
1 year ago
User 4: D) The video call is using 4K resolution, which is not supported by ICE with CUCM 12.5
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Galen
1 year ago
User 3: B) ICE cannot reduce the packet loss on the link
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Carisa
1 year ago
User 2: A) The video call is using encryption, which is not supported by ICE with CUCM 12.5
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Kate
1 year ago
User 1: I'm going with C. A STUN can't punch holes in the firewall? That's like saying a bulldozer can't move rocks.
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Val
1 year ago
Option A? Really? Encryption not supported by ICE? That's like saying water is dry.
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Vanna
1 year ago
User 2: Vanna is right, that doesn't make sense. ICE should support encryption.
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Brett
1 year ago
User 1: Option A? Really? Encryption not supported by ICE? That's like saying water is dry.
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Luke
1 year ago
Hmm, that makes sense too. I see why you would choose that option.
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Marguerita
1 year ago
I disagree, I believe the correct answer is B) ICE cannot reduce the packet loss on the link
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Luke
1 year ago
I think the answer is A) The video call is using encryption, which is not supported by ICE with CUCM 12.5
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