Question 1 of 30
In a Cisco Collaboration Architecture, a company is planning to implement a Unified Communications Manager (CUCM) cluster that will support 500 users across multiple sites. Each site will have its own Cisco Unified Communications Manager node, and they will be interconnected using a WAN link. The company wants to ensure that the call processing is resilient and that users can seamlessly communicate regardless of their location. Given this scenario, which design principle should be prioritized to achieve high availability and redundancy in the call processing architecture?
Implementing a centralized call processing model with a single CUCM node for all sites.
Utilizing a distributed call processing model with multiple CUCM nodes across different sites.
Configuring a single point of failure for the WAN link to reduce complexity.
Relying solely on local gateways for call processing without CUCM integration.

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