在降压斩波电路中,输入电压为220V,斩波器的占空比为0.5,则该电路的输出电压为()。
A. 110V
B. 220V
C. 180V
D. 250V
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母管制机组相对于单元机组的最大优点是()
A. 系统中任何一台汽轮机出现故障就会影响整个系统的稳定运行
B. 系统中任何一台锅炉出现故障就会影响整个系统的稳定运行
C. 机炉影响较小,系统中任何一台锅炉或者汽轮机出现故障都不会对整个系统出现致命故障
D. 汽轮机和锅炉互不影响
男性,60岁,因大量呕吐、腹泻,突然晕厥、抽搐、颈动脉搏动消失,抢救首选方法为()
A. 静注肾上腺素
B. 静注多巴胺
C. 静注尼可刹米
D. 急速叩击心脏
E. 人工呼吸
Which of the following statemets regarding Control Plane Policing (CoPP) is correct?()
A. Control Plane Policing (CoPP) addresses the need to protect the management planes, ensuring routingstability, availability, and critical packet delivery.
B. Control Plane Policing (CoPP) leverages MQC to define traffic classification criteria and to specifyconfigurable policy actions for the classified traffic.
Control Plane Policing (CoPP) uses a dedicated "control-plane" command via the Modular QoS CLI (MQC)to provide filtering and rate limiting capabilities.
D. Control Plane Policing (CoPP) uses "service policy" command under relevant interfaces to filter DOS packet to protect routing packets.
E. Control Plane Policing (CoPP) protects the transit management and data traffic through the router.
贷前调查主要风险点主要包括()
A. 抵押物合法性
B. 抵押物权属
C. 抵押物变现能力
D. 抵押物状况
E. 抵押物的优先受偿权