试题详情
- 单项选择题 A technician needs to add network capacity. However, when plugging a second switch into the first switch, there is no link light. Which of the following is the cause of this situation?（）
A、The switches are not stackable
B、The cable was not wired using 568A
C、The cable needs to be a crossover cable
D、The switches have IGMP snooping enabled
- C
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