Exam 3V0-42.20 topic 1 question 9 discussion

An architect is helping an organization with the Conceptual Design of an NSX-T Data Center solution.
This information was gathered by the architect during the Discover Task of the Enagagement Lifecycle:
✑ There are applications which use IPv6 addressing.
✑ Network administrators are not familiar with NSX-T Data Center solutions.
✑ Hosts can only be configured with two physical NICs.
✑ There is an existing management cluster to deploy the NSX-T components.
✑ Dynamic routing should be configured between the physical and virtual network.
✑ There is a storage array available to deploy NSX-T components.
Which constraint was documented by the architect? (Choose the best answer.)