Which statement about the Cisco UC on UCS TRC and the third-party server specs-based virtualization support model is true? 

Answer options:

A. Both the UC on UCS TRC and the third-party servers spec-based support models have rule-based approaches.
B. The UC on UCS TRC support model has a rule-based approach and the third-party servers spec-based support model has a configuration-based approach.
C. The UC on UCS TRC support model requires a high level of virtualization experience while the third-party server spec-based support model requires a low to medium level virtualization experience.
D. VMware vCenter is mandatory for the UC on UCS TRC support model but it is optional for the third-party server spec-based support model.
E. VMware vCenter is optional for the UC on UCS TRC support model but it is mandatory for the third-party server spec-based support model.

E

is VMware vCenter - when deploying on UC on UCS Tested Reference Configuration hardware ✑ optional when deploying on UC on UCS Specs-based and Third-party Server Specs-based hardware . ✑ mandatory ✑ vCenter Statistics Level 4 logging is mandatory so that Cisco TAC is able to provide effective support. Click here - ✑for how to configure VMware vCenter to capture these logs. If not configured by default, Cisco TAC may request enabling these settings in order to provide effective support. ✑ Also note that enablement of specific VMware vSphere management features may require vCenter and/or a higher feature Edition of vSphere ESXi. ✑ Cisco Collaboration does not require its own dedicated vCenter. ✑ Note that when VMware vCenter is not required and is not used, then VMware vSphere ESXi`s default management interface is its free/included VMware vSphere Client (formerly branded VI Client). Reference: http://docwiki.cisco.com/wiki/Unified_Communications_VMware_Requirements