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Cisco 300-820 Exam - Topic 8 Question 71 Discussion

An engineer is deploying an Expressway solution for the SIP domain Cisco.com. Which SRV record should be configured in the public DNS to support inbound B2B calls?
C) _sip._tcp.cisco.com
A) _collab-edge._tls.cisco.com
B) _cisco-uds._tcp.cisco.com
D) _cuplogin._tcp.cisco.com

Cisco 300-820 Exam - Topic 8 Question 71 Discussion

Actual exam question for Cisco's 300-820 exam
Question #: 71
Topic #: 8
[All 300-820 Questions]

An engineer is deploying an Expressway solution for the SIP domain Cisco.com. Which SRV record should be configured in the public DNS to support inbound B2B calls?

Show Suggested Answer Hide Answer
Suggested Answer: C

https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2018/pdf/BRKCOL-2018.pdf

by Kanisha at Apr 08, 2024, 05:01 AM

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Merissa
9 months ago
100% agree with A, it’s the right choice!
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Josue
9 months ago
Really? I’m surprised it’s not _cisco-uds._tcp.cisco.com.
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Rebbecca
10 months ago
Nope, it's definitely A. Trust me on this!
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Ricarda
10 months ago
I thought it was _sip._tcp.cisco.com?
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Junita
10 months ago
Definitely _collab-edge._tls.cisco.com for B2B calls!
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Lajuana
10 months ago
I vaguely recall that _collab-edge is related to B2B calls, so maybe A is the right choice? I hope I’m not mixing it up with something else!
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Joye
11 months ago
I’m leaning towards B because it mentions cisco-uds, but I’m not confident. I need to double-check my notes on SRV records.
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Lynda
11 months ago
I feel like I’ve seen a question like this before, and I think it was about SRV records for SIP. Could it be C?
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Kaycee
11 months ago
I think the answer might be A, but I'm not entirely sure. I remember something about TLS being important for secure connections.
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Bettina
11 months ago
I'm a little confused by the options here. I'm not sure I fully understand the differences between the SRV record choices. I'll need to review my notes on Expressway and SIP configuration to make the best guess.
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Noe
11 months ago
Okay, I've got this. The question is asking about the SRV record for inbound B2B calls, so the correct answer is A. _collab-edge._tls.cisco.com. I'm confident that's the right choice.
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Fanny
11 months ago
Hmm, I'm a bit unsure about this one. I know SRV records are used for service discovery, but I'm not familiar with the specific Expressway configuration. I'll need to think this through carefully.
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Irene
11 months ago
This looks like a straightforward SRV record configuration question. I'll need to review the Expressway documentation to make sure I understand the correct SRV record for inbound B2B calls.
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Freeman
11 months ago
I'm pretty sure IPSec VPN uses a symmetric algorithm, not an asymmetric one, to encrypt the data packets. Let me think this through again.
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Barrie
11 months ago
Hmm, I'm a bit unsure about this one. The options seem similar, and I'm not totally confident I know the specific protecting capabilities off the top of my head. I'll need to think this through carefully and maybe even do a quick refresh on the Cisco Data Center features.
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Glynda
11 months ago
Okay, let me see. I know quality function deployment is about translating customer needs into product requirements, so I'm leaning towards C as the best answer.
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Bong
11 months ago
This looks like a pretty straightforward SQL join operation, so I think I can handle it. I'll need to carefully read through the options and make sure I understand the requirements.
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Lashon
11 months ago
Ah, I remember learning about Cisco TrustSec in class. I'm confident the answer is security group tag ACL assigned to each port on a switch.
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Lajuana
2 years ago
I am not sure about this question. Can someone explain why A) is the correct answer?
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Willetta
2 years ago
I agree with User 1. A) _collab-edge._tls.cisco.com makes sense for supporting inbound B2B calls.
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Jerry
2 years ago
Are you sure? I believe the correct answer is D) _cuplogin._tcp.cisco.com.
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Francis
2 years ago
I think the answer is A) _collab-edge._tls.cisco.com.
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Sonia
2 years ago
You're right, I'll change my answer to A) _collab-edge._tls.cisco.com.
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Jennifer
2 years ago
But wouldn't that be for Cisco Unified Presence login, not for B2B calls?
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Coletta
2 years ago
I'm leaning towards D) _cuplogin._tcp.cisco.com, it makes more sense to me.
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Sonia
2 years ago
I disagree, I believe the answer is C) _sip._tcp.cisco.com.
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Jennifer
2 years ago
I think the answer is A) _collab-edge._tls.cisco.com.
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Elvera
2 years ago
Yeah, that makes sense to me. The _collab-edge._tls.cisco.com SRV record is specifically used to identify the Expressway as the edge device for B2B calling. The other options don't seem to be directly related to the Expressway functionality.
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Rolande
2 years ago
Haha, good one! But seriously, I think we need to look at the details more closely. The question specifically mentions 'inbound B2B calls', so that's the key focus.
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Kathrine
2 years ago
Okay, let's think this through. The options are _collab-edge._tls.cisco.com, _cisco-uds._tcp.cisco.com, _sip._tcp.cisco.com, and _cuplogin._tcp.cisco.com. Based on what we know, I think the correct answer is _collab-edge._tls.cisco.com.
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Novella
2 years ago
Great, thanks for confirming!
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Rikki
2 years ago
I did some research, and it looks like A) _collab-edge._tls.cisco.com is indeed the correct answer.
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Brigette
2 years ago
Let's double-check just to be sure.
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Noah
2 years ago
No, I'm confident it's A) _collab-edge._tls.cisco.com.
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Justine
2 years ago
Are you sure? I believe the answer is D) _cuplogin._tcp.cisco.com
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Cherry
2 years ago
I agree, A) _collab-edge._tls.cisco.com is the correct option.
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Belen
2 years ago
I think the answer is A) _collab-edge._tls.cisco.com
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Mertie
2 years ago
Absolutely. And you know what they say, 'When in doubt, go with the option that sounds the most Expressway-y.' Or something like that.
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Rima
2 years ago
You know, this question is making me thirsty. I could really go for a nice, cold Cisco-cola right about now.
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Iluminada
2 years ago
Haha, that's a good point, Lisa. They probably wanted to throw in a curveball just to keep us on our toes. But I think we've got this one figured out. The _collab-edge._tls.cisco.com SRV record is the way to go.
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Corinne
2 years ago
Hmm, I'm not so sure about that. Option C, '_sip._tcp.cisco.com', also seems like a strong contender since it's directly related to SIP traffic.
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Pearlene
2 years ago
I think Tu is correct, option A is the way to go for supporting inbound B2B calls.
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Noel
2 years ago
I'm not sure, but I would go with option D, '_cuplogin._tcp.cisco.com'.
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Tu
2 years ago
I agree with Carisa, option A seems to be the right choice for Expressway solution.
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Carisa
2 years ago
I think option A, '_collab-edge._tls.cisco.com', is the correct SRV record for B2B calls.
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Sue
2 years ago
Yeah, that's the crucial part. I'm leaning towards option A, '_collab-edge._tls.cisco.com', since it seems to be specifically related to the Expressway solution and B2B calls.
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Brianne
2 years ago
Okay, let's think this through. We're looking for the SRV record that supports inbound B2B calls in the Cisco.com SIP domain, right? That's the key information we need to focus on.
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Brock
2 years ago
Hmm, this question seems a bit tricky. I'm not too familiar with Expressway solutions and SIP domains, but I'll give it my best shot.
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