Which rationale supports the architect’s recommended configuration?

A customer needs an OpenStack-based cloud datacenter with several virtual machines that will be placed in multiple VLANs. The customer needs to use Virtual Extensible LAN (VXLAN) or Generic Routing Encapsulation (GRE) technology to support multi-tenant traffic.

The architect recommends the following HPE server equipment:

– BladeSystem c7000 enclosure

– Virtual Connect 20/40 F8 modules

– BL460c Gen9 servers with FlexFabric 20Gb 2-port 650FLB Adapters

Which rationale supports the architect’s recommended configuration?
A . It improves performance of overlay networks with a tunnel offload engine.
B . It allows RDMA over Converged Ethernet (RoCE).
C . It allows configuration of interconnect module stacking.
D . It improves performance of OpenStack instance provisioning.