问题:
Refer to the exhibit. Which statement describes DLCI 17?()
A . DLCI 17 describes the ISDN circuit between R2 and R3.
B . DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
C . DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
D . DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.
Refer to the exhibit. Which statement describes DLCI 17?()
● 参考解析
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