找考题网-背景图
单项选择题

A.wide transportB.metroethernetC.frame relayD.leaseD li……

A customer asks for help choosing their WAN technology, the customer is looking for A solution that can be used across very long distances, provides QoS and VPN support, and is sensitive to their budgeting needs ,which WAN technology would you recommend?()

A.wide transport
B.metroethernet
C.frame relay
D.leaseD line
E.MPLS