相关考题
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单项选择题
《铁路旅客运输规程》行李、包裹的运到期限，从承运日起，包裹运价里程超过400千米时，不足400千米的尾数按（）日计算。
A.半
B.一
C.二
D.三 -
多项选择题
Which two of these are characteristics of the 802.1Q protocol?（）
A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames. -
判断题
发生人身伤害或突发疾病时，积极采取救助措施，按规定办理站车交接。必要时在前方站停车处理。（）
