【答案】:A 18、以下关于 CISC 和 RISC 的叙述中,错误的是( )。 CISC 中,其复杂指令都采用硬布线逻辑来执行 CISC 技术的 CPU,其芯片设计复杂度更高 RISC 中,更适合采用硬布线逻辑执行指令 RISC 技术,指令系统中的指令种类和寻址方式更少 【答案】:A 19、BGP runs over a reliable transport ( ). This eliminates the need to implement explicit update fragmentation, retransmission, acknowledgement, and (请作答此空). Any authentication scheme used by the transport protocol may be used in addition to BGP's own ( )mechanisms. The error notification mechanism used in BGP ( )that the transport protocol supports a “graceful” close, ., that all outstanding data will be delivered ( )the connection is closed.