【答案】:B 2、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 (请作答此空)that the transport protocol supports a “graceful” close, ., that all outstanding data will be delivered ( )the connection is closed.
【答案】:A 3、关于 IP 协议,以下哪种说法是错误的( )。 协议规定了 IP 地址的具体格式 协议规定了 IP 地址与其域名的对应关系 协议规定了 IP 数据报的具体格式 协议规定了 IP 数据报分片和重组原则 【答案】:B 4、来源于间叶组织的恶性肿瘤是( )