单项选择题The basic idea of the frequency sampling method is to make the frequency characteristics of the designed FIR DF and the required filter exactly equal at some discrete frequency points, and have good approximation at other frequencies. A、正确 B、错误
多项选择题当路由出现环路时,可能会发生下列哪些问题? A. 数据包无休止的传递 B. 路由器的CPU消耗增大 C. 路由器的内存消耗增大 D. 数据包的目的IP地址不断被修改 E. 数据包的字节数越来越大