QY-5型起重机的基本臂长为6.6m,工作幅度为3m时,它的起重量为()。
A. 40kN
B. 50kN
C. 3.5kN
D. 60kN
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NBDP中拆除有线网络联系,以及拆除与岸台的无线联系分别用指令()。
A. NNNN和KKK
B. KKKK和BRK
C. NNNN和BRK
D. BRK和KKKK
RM80型清筛机的电源由四组铅蓄电池(两组备用)构成,每组型号为()。
在关闭钥匙,拆下电瓶线1分钟后,拔下SRS单元接头,再接回电瓶线,打开钥匙,此时SRS灯亮,用于检测指示灯。
A. 正确
B. 错误
A customer is planning on establishing a Global Mirror between two Storwize V7000 storagearrays. The customer is planning to lease an IP WAN connection between sites for the tasks andis running a SAP (database) application on Oracle. Which of the following planning considerationsis most important?()
A. the distance between sites needs to be less than 100 kilometers
B. consistency groups should be created to maintain write order on the remote mirror
C. ensure sufficient bandwidth exists on the link based on average application workloads
D. ensuring a low round trip latency of less than 30ms on the WAN connection is required