Cisco 300-820 Exam - Topic 4 Question 108 Discussion

Actual exam question for Cisco's 300-820 exam

Question #: 108
Topic #: 4

An administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

Ain the public DNS server

Bin DNS SRV settings under Cisco Unified OS Administration in Cisco UCM

Cin DNS settings in the Expressway-E on the interface that faces the Internet

Din DNS settings under Cisco Unified OS Administration in Cisco UCM

Show Suggested Answer

Suggested Answer: A

by Vesta at Mar 09, 2026, 05:34 AM

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Melynda

3 days ago

Definitely the public DNS server. It needs to be accessible from anywhere.

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Julio

8 days ago

I feel like it’s under Cisco Unified OS Administration. It’s more centralized.

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Talia

13 days ago

I disagree. It’s likely in the Expressway-E DNS settings. That’s the edge interface.

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Layla

19 days ago

I think it should be in the public DNS server. Makes sense for external access.

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Daryl

24 days ago

I’m leaning towards the SRV settings in Cisco UCM. It’s more centralized for management.

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Glory

29 days ago

I feel like it could also be under Cisco Unified OS Administration. It’s a common setup.

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Diane

1 month ago

I disagree, it’s definitely in the Expressway-E settings. That’s where it connects to the Internet.

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Malcolm

1 month ago

I think it should be in the public DNS server. Makes sense for external access.

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Val

1 month ago

I agree with C too. It’s essential for Mobile and Remote Access logins.

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Nan

2 months ago

I feel like B is the right choice. It’s all about Cisco Unified OS Administration.

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Laura

2 months ago

I’m leaning towards option C. The Expressway-E is crucial for Internet-facing services.

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Trina

2 months ago

I think it should be in the public DNS server. Makes sense for external access.

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Nickolas

2 months ago

I’m not convinced about the public DNS part.

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Elmira

2 months ago

Wait, are we sure it’s not in Cisco UCM?

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Chantell

4 months ago

Definitely option C, that’s where it needs to go!

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Shantell

4 months ago

I think it’s actually in the Expressway-E settings.

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Ona

4 months ago

It should be in the public DNS server.

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Rolland

4 months ago

I disagree, it has to be in the Cisco UCM settings.

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Sol

5 months ago

Wait, is it really that simple? I thought it was more complicated.

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Leatha

5 months ago

Definitely B, that’s where I set mine up!

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Quinn

5 months ago

I think it’s actually in the Expressway-E settings.

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Lashaunda

5 months ago

It should be in the public DNS server.

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Vallie

5 months ago

I’m leaning towards option C, but I need to double-check if it really has to be on the interface facing the Internet.

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Shaunna

5 months ago

I feel like it could also be in the Cisco Unified OS Administration, but I can't recall which specific option.

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Rory

6 months ago

I remember practicing a similar question, and I think it was about configuring DNS settings in the Expressway-E.

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Kallie

6 months ago

I think the SRV record needs to be in the public DNS server, but I'm not entirely sure.

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