Which two important benefits result from deploying Cisco Catalyst 4948 Switches in a top-of-rack access layer design?

Which two important benefits result from deploying Cisco Catalyst 4948 Switches in a top-of-rack
access layer design? (Choose two.)

A.
increased fault tolerance

B.
improved server density

C.
improved power distribution

D.
simpler logical density

E.
simpler logical topology