【单选题】After the SSP being checked by a duly authorized officials of a port State, whom should be reported to by the ship immediately?
【单选题】If a port configured with STP loop guard stops receiving BPDUs, the port will be put into which state?()
D.
root-inconsistent state
【简答题】相克关系中,克我者为所不胜;我克者为 。
【单选题】化学灭鼠的特点有投放简便、效果好、( )。