A、它指定VLAN999转发未做标记的流量。
B、它阻止VLAN999转发主干的流量。
C、它创建了一个VLAN999接口。
D、它指定VLAN999作为默认为所有未知标记的流量。
更多“switchport trunk native vlan 999 这个命令起什么作用？（）”相关的问题
A、A.switchport dynamic auto switchport dynamic auto B、B.switchport access vlan 10 switchport mode dynamic desireable C、C.switchport mode trunk switchport nonegotiate D、D.Leave both ports with the default trunk settings
A、no switchport trunk native vlan vlan-id B、switchport nonegotiate C、no switchport mode dynamic desirable D、switchport mode access
A、Switch（config-if）#spanning-tree guard root B、Switch（config-if）#spanning-tree portfast C、Switch（config-if）#switchport mode trunk D、Switch（config-if）#switchport mode access
A、直流汇流条1正常情况下从TRU2得电，也可以通过汇流条连接继电器从TRU1和TRU3得电 B、直流汇流条1正常情况下从TRU3得电，也可以通过汇流条连接继电器从TRU2和TRU1得电 C、直流汇流条2正常情况下从TRU1得电，也可以通过汇流条连接继电器从TRU2和TRU3得电 D、直流汇流条1正常情况下从TRU1得电，也可以通过汇流条连接继电器从TRU2和TRU3得电
A、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode ON B、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode to OFF C、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode asauto. D、The firewall does not support DTP. You should set the switchport trunk mode to ON
A、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode ON B、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode to OFF C、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode as auto D、The firewall does not support DTP.You should set the switchport trunk mode to ON
A、Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command. B、Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command. C、Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them. D、Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security.
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