【答案】:D 29、在下面描述的流水 CPU 基本概念中,正确的表述是( )。 CPU 是以空间并行性为原理构成的处理器 CPU 一定是 RISC 机器 CPU 一定是多媒体 CPU CPU 是一种非常经济而实用的以时间并行技术为原理构造的处理器 【答案】:D 30、BGP runs over a reliable transport ( ). This eliminates the need to implement explicit update fragmentation, retransmission, acknowledgement, and ( ). 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 (请作答此空)the connection is closed.