From a networking perspective, what is one reason to choose a Cisco UCS C-Series rackmountable server over a Cisco UCS B-Series blade server?

A.
A rack-mountable server has more PCIe buses.

B.
A blade server has fewer network interfaces.

C.
A rack-mountable server can support more vNICs.

D.
A blade server uses virtualization to run more applications, which constrains available
bandwidth.