Which three technologies are recommended to be used for WAN connectivity in today’s Enterprise
Edge designs? (Choose three.)

A.
DWDM

B.
Metro Ethernet

C.
Frame Relay

D.
MPLS VPN

E.
ISDN

F.
DSL

G.
Wireless

Explanation:

There is some discussion about whether ISDN not DWDM should be the answer but it does say
TODAYS network