400-051 CCIE Collaboration Exam Answer
Question
What is the maximum number of Cisco Unified Communications Manager subscriber pairs in a megacluster deployment?
Answers
Explanations
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A. B. C. D. E.B.
There can be up to 8 pairs of subscribers, 16 subscribers total and must be in a 1:1 redundancy mode (8 active, 8 standby).
In a Cisco Unified Communications Manager (CUCM) megacluster deployment, the maximum number of subscriber pairs that can be configured depends on the version of CUCM being used.
Prior to version 10.0, the maximum number of subscriber pairs that could be configured in a megacluster deployment was 8. However, starting from CUCM version 10.0, the maximum number of subscriber pairs increased to 16.
Therefore, the correct answer to this question is D. 16.
It's worth noting that a megacluster deployment is a specific type of CUCM deployment where multiple CUCM clusters are combined into a single, large cluster. This is typically done for very large organizations that require high levels of scalability and redundancy. Megacluster deployments can be complex to configure and manage, and they require careful planning to ensure that they are implemented correctly.
