When designing a WAN backup for voice and video applications, what three types of connections should be used? (Choose three.)
A. Private WAN
B. Internet
C. ISDN
D. MPLS
E. Dial-up
F. ATM
G. DSL
When designing a WAN backup for voice and video applications, what three types of connections should be used? (Choose three.)
A. Private WAN
B. Internet
C. ISDN
D. MPLS
E. Dial-up
F. ATM
G. DSL