根据国网的396规范，建模时，公用LD的inst名为（）
A. MEAS
B. CTRL
C. LD0
D. PI
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What are three common reasons for ATM CRC errors？（）
A. Incorrect VPI and VCI configuration
B. Noise， gain hits， or other transmission problems on the data link equipment
C. ATM cells are dropped due to incorrect ATM routing in the service provider.
D. A faulty or failing ATM interface.
E. Cells are dropped due to traffic policing in the ATM cloud on one or more virtual circuits attached to theATM interface
人类皮层的生长只表现为功能的增加，而数量上没有变化。
A. 正确
B. 错误
Which statement about access lists that are applied to an interface is true?（）
A. you can apply multiple access lists with the same protocol or in different direction.
B. you can config one access list,per direction,per layer 3 protocol
C. you can place as many access lists as you want on any interface
D. you can apply only one access list on any interface
根据《输变电设备状态检修试验规程》的规定，变开距式瓷柱式断路器的断口距离较（）时，可不进行断口间耐压试验。
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