Which three statements about VTP features are true?()
A. When properly configured,VTP minimizes VLAN misconfigurations and configuration inconsistencies
B. Each broadcast domain on a switch can have its own unique VTP domain
C. VTP works at Layer 3 of the OSI model and requires that a management VLAN IP address be configured.
D. When properly configured,VTP maintains VLAN configuration consistency and accelerates trunk link negotiation.
E. VTP pruning is used to increase available bandwidth in trunk links
F. Client,server,and transparent are valid VTP modes
G. To configure a switch to be part of two VTP domains,each domain must have its own password
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在建筑工程中主要使用中碳钢和高碳钢()
A. 正确
B. 错误
辐射传热是辐射能和()之间的传递和转换。
A. 光能
B. 热能
C. 势能
D. 辐射能
无功功率经济当量的说法中,正确的有()。
A. 无功功率经济当量的单位为kW/kVar
B. 无功功率经济当量的单位为kVar/kW
C. 无功功率经济当量是指传输1kVar无功所产生的有功损耗
D. 无功功率经济当量是指传输1kW有功所产生的有功损耗
三角形脸修剪时留发不宜太短,适宜()发型。
A. 中长度
B. 无发帘
C. 高发帘
D. 两侧后梳