试题详情
- 单项选择题 Refer to the exhibit. Based on this command output, what can we conclude about R3?（）
A、R3 is an ABR.
B、R3 is not connec ted to the backbone.
C、R3 has four neighbors.
D、R3 is the DR for area 2.
- A
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A、R3 is an ABR.
B、R3 is not connec ted to the backbone.
C、R3 has four neighbors.
D、R3 is the DR for area 2.
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