What deployment method was used in this scenario?

An environment has two VxRail clusters with separate vCenters. Logging in to either vCenter, there is only one cluster visible.

What deployment method was used in this scenario?
A . each uses an internal vCenter with Enhanced Link Mode
B . each uses an internal vCenter without Enhanced Link Mode
C . both share a single vSphere standard switch object
D . both share a single vSphere distributed switch object

Answer: B

Explanation:

Reference: https://www.delltechnologies.com/asset/en-us/products/converged-infrastructure/technical-support/vxrail-vcenter-server-planning-guide.pdf