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Cisco Exam 500-444 Topic 8 Question 28 Discussion

Actual exam question for Cisco's 500-444 exam
Question #: 28
Topic #: 8
[All 500-444 Questions]

Which three statements describe fails in the high availability of Cisco Unified Intelligent Contact Management central controller? (Choose three.)

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Suggested Answer: A, D, F

A: When ICM Logger side A fails, ICM call router side B can't send historical information to ICM Logger side A and is limited to ICM Logger side B. This is because ICM loggers act as a buffer between ICM call routers and the historical data store, and if one side fails, the other side can't send historical data to it. (Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/icm_enterprise/icm_enterprise_10_5/installation/guide/icm_install/icm_high.html)

D: If one ICM call router of a duplex pair of Cisco Unified ICM call routers fails, the surviving ICM call router recognizes the failure when it receives no response to heartbeats over the private LAN. This is because ICM call routers communicate with each other over a private LAN using heartbeats. If one ICM call router stops sending heartbeats, the other ICM call router knows that it has failed and takes over the processing of calls. (Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/icm_enterprise/icm_enterprise_10_5/installation/guide/icm_install/icm_high.html)

F: During Cisco Unified ICM call router failover processing, calls in progress in Cisco Unified Customer Voice Portal are disconnected, but all new calls are processed successfully. This is because when a Cisco Unified ICM call router fails, the surviving ICM call router takes over the processing of calls. This can cause calls in progress in Cisco Unified CVP to be disconnected, but new calls will be processed successfully. (Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/icm_enterprise/icm_enterprise_10_5/installation/guide/icm_install/icm_high.html)

References: [1]https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/crs/express_8_5/design/guide/icm85des/icm85des_chap_01.html[2]https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-contact-center-enterprise


by Levi at Mar 16, 2024, 12:33 PM

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Shasta
3 months ago
I am not sure about statement E, it seems unlikely that there would be no impact during a logger failure. We should investigate further.
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Lizette
4 months ago
But what about statement E? It says there is no impact on call processing during a Cisco Unified ICM Logger failure.
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Jeannine
4 months ago
I agree with Shasta, statement D makes sense in terms of high availability.
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Shasta
4 months ago
I disagree, I believe statement D is correct. The surviving ICM call router recognizes the failure when it receives no response to heartbeats over the private LAN.
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Lizette
4 months ago
I think statement A is true, because if ICM Logger side A fails, router side B is limited to ICM Logger side B.
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Jordan
4 months ago
I think statement B is also correct, as Peripheral Gateways help determine the active call router.
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Lewis
4 months ago
I believe statement E is incorrect, there is an impact on call processing during a Logger failure.
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Marcelle
4 months ago
I agree, if ICM call router fails, the surviving router recognizes the failure.
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Kirk
5 months ago
I think statements A, D, and F describe the fails in high availability.
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Dianne
6 months ago
Alright, so we've got A and D so far. What about option F - calls in progress getting disconnected during a Router failover?
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Julie
6 months ago
Fingers crossed! And remember, if you get it wrong, you can always blame the confusing wording of the question.
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Mee
6 months ago
Ooh, that one sounds right. The CVP calls would likely get impacted during a Router failover.
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Cory
6 months ago
Nice, I think we've got it - A, D, and F are the winners here. Time to submit our answers and hope for the best!
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Willodean
5 months ago
Can't wait to see if we got them all right!
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Xuan
5 months ago
I think we nailed it with A, D, and F.
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Lenna
5 months ago
Fingers crossed for a good result!
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Lenny
5 months ago
Me too, those options seem to make the most sense.
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Chanel
5 months ago
I'm feeling confident about our choices.
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Thurman
5 months ago
Let's submit our answers and see how we did.
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Dorathy
5 months ago
I agree, A, D, and F are definitely the correct choices.
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