A.它是一個2層的消息協(xié)議,它保證通過網(wǎng)絡(luò)的VLAN配置 B.它包括一個8比特字段指定的幀的優(yōu)先級 C.它是專門用于標記的VLAN幀和下交換網(wǎng)絡(luò)拓撲結(jié)構(gòu)的變化劑量不能滿足網(wǎng)絡(luò)的重新收斂 D.它修改802.3幀報頭,并且因此需要在FCS重新計算 E.它是一種能夠攜帶未標記的幀的中繼協(xié)議
A.any-to-many communication model B.delivery of packets to the group interface that is closest to the sending device C.one-to-many communication model D.the same address for multiple devices in the group E.one-to-nearest communication model F.a unique IPV6 address for each device in the group
A.10.188.31.0/27 B.10.188.31.0/26 C.10.188.31.0/29 D.10.188.31.0/28 E.10.188.31.0/25