When configuring private VLANs, which configuration task must you do first?()
A. Configure the private VLAN port parameters.
B. Configure and map the secondary VLAN to the primary VLA
C. Disable IGMP snooping.
D. Set the VTP mode to transparent.
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市场空壳化是指空有交换场所而无交换关系的市场。
A. 正确
B. 错误
DPS拣货中,货架上安装的标签是对应至一个客户。
A. 正确
B. 错误