试题详情
- 单项选择题 Refer to the exhibit.Which statement describes DLCI 17？（）
A、DLCI 17 describes the ISDN circuit between R2 and R3.
B、DLCI17 describes a PVC on R2.It cannot be used on R3 or R1.
C、DLCI17 is the Layer 2 address used by R2 to describe a PVC to R3.
D、DLCI17 describes the dial-up circuit from R2 and R3 to the service provider.
- C
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