【答案】:C 23、在 PC 机所配置的显示器中,若显示控制卡上刷新存储器的容量为 1MB,则当采用 800×600 的分辨率模式时,每个像素最多可以有( )种不同颜色。
【答案】:B 24、SMTP基于传输层的( )协议,POP3基于传输层的( )协议。 、TCP 、UDP 、UDP 、TCP 【答案】:A 25、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 (请作答此空)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.