An Implementation Engineer is installing a second DirectFlash Shelf (DFS) on a FlashArray//XR4 controller. How should the Implementation Engineer complete the installation?
Install a DFS card in PCIe Slot 0 and use these ports for Shelf connectivity.
Install a DFS card in PCIe slot 4 and use it to connect the second DirectFlash Shelf.
Install a DFS card in PCIe slot 3 and use it to connect the second DirectFlash Shelf.