中国民航C波段卫星通信网络TES系统中远端站的数目为()
A. 162
B. 100
C. 2
D. 172
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Which of the following characteristics describe the BPDU Guard feature()
ABPDU Guard port should only be configured on ports with PortFast enabled.
BPDU Guard and PortFast should not be enabled on the same port.
C. BPDU Guard is used to ensure that superior BPDUs are not received on a switch port.
D. ABPDU Guard port receiving a BPDU will go into err-disablestate.
E. ABPDU Guard port receiving a BPDU will be disabled.
F. BPDU Guard can be enabled on any switch port.
危险货物的分类、分项、品名和品名编号应当按照国家标准《危险货物分类和品名编号》(GB6944-2005)和____执行。
A. 《危险货物品名表》(GB12268-2005)
B. 道路危险货物运输管理规定
C. 中华人民共和国安全生产法
以下哪些操作会增加基层分局发票库存()
A. 从上级税务机关领取发票
B. 接收下级税务所的退库
C. 印制完工的统一发票
D. 操作员退库
E. 操作员删除错误领据