试题详情
- 单项选择题You are provisioning a DS-1 circuit on an ONS 15454 UPSR configuration and XC-10G card. How many total VT ports are used within the VT matrix at the source node?()
A、0
B、1
C、2
D、3
E、4
- D
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A、0
B、1
C、2
D、3
E、4
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