单选题A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?（）A Port spanningB VLAN concentratorC Fire
题目
单选题
A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?（）
A
Port spanning
B
VLAN concentrator
C
Firewall
D
Router
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参考答案和解析
正确答案：
D
解析：
暂无解析