试题详情
- 单项选择题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、MPLS
B、framerelay
C、leaseDline
D、metroethernet
E、widetransport
- A
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