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SWA和SWB运行RSTP协议,下列说法正确的有?
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如下图所示网络,交换机配置信息如下,下列说法中正确的有?interface GigabitEthernet0/0/1port hybrid pvid vlan 20port hybrid untagged vlan 10 20#interface GigabitEtherneto/0/2port hybrid pvid vlan 10port hybrid untagged vlan 10 20#
He invented a machine to_______people in wheelchairs to get up.
As a scientist, he has the_________of doing important research.
The population will probably reach 60 million by the turn of the_______.
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