When selecting which hardware switches to use throughout an enterprise campus switched
network, which consideration is not relevant?

A.
whether data link layer switching based upon the MAC address is required

B.
the number of shared media segments

C.
which infrastructure service capabilities are required

D.
whether to support Layer 3 services at the network edge

Explanation:

Shared media are not used in modern networks; all links are operating full-duplex
Link: http://www.cisco.com/en/US/docs/solutions/Enterprise/Campus/campover.html