在纯电容电路中,电压与电流问的相位关系是()
A.同相位
B.电压超前电流丌/2
C.电压滞后电流丌/2
D.无法判定
参考答案:B
在入侵防护系统中,负责接收数据包,对数据包协议类型进行解析,依据协议类型开辟缓冲区,保存接收到的数据包并提交检测分析组件的工具是()
A.嗅探器
B.策略执行组件
C.日志系统
D.控制台
Which of the following statements regarding a country risk premium is TRUE()
A. Country risk arises from expected economic and political events.
B. Firms in different countries assume significantly different financial risk.
C. Exchange rate risk is relatively small and can be ignored.