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