Refer to the exhibit.

The exhibit shows a proposed design for a data center network infrastructure. The exhibit only
shows two racks for simplicity. The data center will actually include more racks.
The customer has these key requirements:
The customer can scale anyapplication and easilyinstall new hardwarethat supports the
application.
The networksupports vMotionfor live migration of virtual machines (VMs).
How should the network architect change the proposed design to meet the customer
requirements?

A.
Add a distribution layer between the access layer and the core

B.
Replace the rack servers with blade enclosures

C.
Add links between each access layer intelligent Resilient Framework (IRF) group and another
access layer IRF group.

D.
Remove routing from the access layer and extend VLANs to multiple racks.