【答案】:C 11、下列关于总线说法错误的是( )。 ,它们是不能同时使用总线的。 :同步通信、异步通信、半同步通信和分离式通信。 。 (接口设备)后,总线输入输出的逻辑电平应该足够高。 【答案】:D 12、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.