Cisco Exam 300-820 Topic 1 Question 76 Discussion

Actual exam question for Cisco's 300-820 exam

Question #: 76
Topic #: 1

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?

A_collab-edge._tls.cisco.com

B_cisco-uds._tcp.cisco.com

C_sip._tcp.cisco.com

D_cuplogin._tcp.cisco.com

Show Suggested Answer

Suggested Answer: C

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

by Merlyn at Jun 03, 2024, 11:32 AM

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Heike

6 months ago

I hope the exam doesn't have any 'trick questions' like this one. They're always trying to catch us out with these Cisco-specific deployment details. Anyway, I'm leaning towards A.

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Ronna

5 months ago

I agree with A) _collab-edge._tls.cisco.com

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Lynette

5 months ago

I'm not sure, but I would go with C) _sip._tcp.cisco.com

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Valentin

6 months ago

I think it's A) _collab-edge._tls.cisco.com

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Rikki

6 months ago

Hmm, I'm not sure about this one. B and D seem a bit too specific, while A and C are more general SIP-related options. I'll go with C just to be on the safe side.

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Alonzo

6 months ago

I'm going with C. _sip._tcp.cisco.com seems to be the correct SRV record for SIP traffic, including B2B calls.

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Lewis

5 months ago

Great choice, C) _sip._tcp.cisco.com is the right SRV record for this scenario.

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Lavina

5 months ago

Yes, C) _sip._tcp.cisco.com is the one needed for inbound B2B calls.

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Dierdre

5 months ago

I agree, C) _sip._tcp.cisco.com is the correct SRV record for SIP traffic.

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Kanisha

5 months ago

D) _cuplogin._tcp.cisco.com

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Arthur

5 months ago

C) _sip._tcp.cisco.com

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Tegan

6 months ago

B) _cisco-uds._tcp.cisco.com

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Krissy

6 months ago

A) _collab-edge._tls.cisco.com

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Melvin

6 months ago

I agree with Chauncey. A) _collab-edge._tls.cisco.com makes sense for supporting inbound B2B calls.

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Chauncey

6 months ago

I think the answer is A) _collab-edge._tls.cisco.com because it is used for inbound B2B calls.

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Kristine

6 months ago

Option A looks right to me. The question specifically mentions 'inbound B2B calls', which suggests the use of the TLS protocol and the _collab-edge SRV record.

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