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Cisco 300-815 Exam - Topic 14 Question 53 Discussion

An engineer has two cisco UCM Clusters and wants to integrate them using ILS with TLS certificates. Cluster A (pub and 1 subscriber) will be the hub, and Cluster B (pub and 1 subscriber) will be the spoke. Both Clusters have self-signed certificates. The engineer has exchanged Publisher A and subscriber B Tomcat certificates, but the connection fails. What is the cause of the failure?
C) The tomcat certificate from Cluster B must be the publisher.
A) The password is incorrect.
B) Cluster IDs are not unique.
D) The engineer needs to exchange the CallManager certificate.

Cisco 300-815 Exam - Topic 14 Question 53 Discussion

Actual exam question for Cisco's 300-815 exam
Question #: 53
Topic #: 14
[All 300-815 Questions]

An engineer has two cisco UCM Clusters and wants to integrate them using ILS with TLS certificates. Cluster A (pub and 1 subscriber) will be the hub, and Cluster B (pub and 1 subscriber) will be the spoke. Both Clusters have self-signed certificates. The engineer has exchanged Publisher A and subscriber B Tomcat certificates, but the connection fails. What is the cause of the failure?

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Suggested Answer: C

by Lili at Jun 20, 2022, 05:30 AM

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Reena
10 months ago
Yeah, the password could also be an issue, but I doubt it’s the main cause.
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Lauran
10 months ago
Wait, are self-signed certs even enough for ILS with TLS?
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Katie
10 months ago
Not sure about that, I thought it was about unique Cluster IDs.
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Novella
11 months ago
Definitely! The Tomcat cert from Cluster B should be the publisher.
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Sage
11 months ago
I think the CallManager certificate needs to be exchanged.
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Melda
11 months ago
I practiced a similar question, and I think the password being incorrect could cause issues too. But I'm not confident about that one.
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Laquanda
11 months ago
I'm not entirely sure, but I feel like the CallManager certificate might also need to be exchanged. That sounds familiar.
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Frederica
11 months ago
I think I read that the Tomcat certificate from the publisher is crucial for the connection. Maybe that's why it's failing?
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Rocco
11 months ago
I remember something about the importance of unique Cluster IDs. Could that be the issue here?
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Julio
11 months ago
I'm a bit unsure about this one. I'll need to think it through step-by-step to make sure I understand which views are relevant for creating rooms.
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Val
11 months ago
The File server rings a bell too, but I definitely don't recall it being linked to User Layer security specifically.
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Wilbert
11 months ago
I'm pretty confident about this one. The answer is A and D - setting the subnet scope to "Shared Between VRFs" and changing the subject scope to VRF.
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Harley
11 months ago
I'm not totally confident, but I'm leaning towards D - Elastic. If there's a large change in price, I think the quantity demanded would change a lot in response.
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Narcisa
11 months ago
Okay, let me see... I know HSRP is for router redundancy, so that rules out B. And SRST is for Cisco phones, not security appliances, so that's not it either. I'm leaning towards C, but I'll double-check the details just to be sure.
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