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- 单项选择题GMPLS is based upon:()
A、Packet-based switching devices
B、VPI/VCI-based switching devices
C、Non-Packet-based devices
D、None of the above
E、A and B
- C
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A、Packet-based switching devices
B、VPI/VCI-based switching devices
C、Non-Packet-based devices
D、None of the above
E、A and B
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