Which two design concerns must be addressed when designing a multicast implementation?() only the low-order 23 bits of the MAC address are used to map IP addresses。 only the low-order 24 bits of the MAC address are used to map IP addresses。 only the high-order 23 bits of the MAC address are used to map IP addresses。 only the low-order 23 bits of the IP address are used to map MAC addresses。 the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses。 the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresse。
酶的定向进化过程
Which two statements are correct regarding Flex Links? () An interface can belong to multiple Flex Links.。 Flex Links operate only over single pairs of links.。 Flex Link pairs must be of the same interface type。 Flex Links automatically disable STP so no BPDUs are propagated。 Failover from active to standby on Flex Links takes less than a second。
地质事件
学研究具有下列特征() 主观能动性。 普遍性。 实事求是。 可重复性。 特殊性。
属于工业企业成本核算中使用的会计账户有()。