检测私有vlan的vlan的端口的从属关系通常用哪个命令（）.

A:show run B:show interface C:show vlan D:show vtp

Show vlan brief的作用是（）.

A:查看VLAN信息 B:查看生成树信息 C:查看SVI信息 D:查看CDP信息

S2126G交换机如何从FLASH中清除VLAN信息？（）

A:delete vlan flash B:clear vlan flash C:clear flash：vlan.dat D:delete flash：vlan.dat

S2126交换机如何显示全部的VLAN？（）

A:show flash：vlan B:show vlan C:show vlan.dat D:show memvlan

定义VLAN的方式有？（）

A:native vlan B:tag vlan C:port vlan D:IEEE802.1Q vlan

查看VLAN信息的命令是（）.

A:show ip vlanstatu B:show interface vlan C:show vlan D:show vtp

交换机命令show interfaces type0/port_#switchport|trunk用于显示中继连接的配置情况，下面是显示例子：
2950#show interface fastEthernet0/1 switchport
Name: fa0/1
Switchport: EnabledA．VLAN0 B．VLAN1 C．VLAN2 D．VLAN3

A:Administrative mode: trunk B:Operational Mode: trunk C:Administrative Trunking Encapsulation: dotlq D:Operational Trunking Encapsulation: dotlq E:egotiation of Trunking: disabled F:Access Mode VLAN: 0((inactive)) G:Trunking Native Mode VLAN: 1(default) H:Trunking VLANs Enabled: all I:Trunking VLANs active: 1, 2 J:Pruning VLANs Enabled: 2-1001 K:Priority for untagged frames: 0 L:Override vlan tag priority: FALSE M:Voice VLAN: none N:在这个例子中，端口fa0/1的链路模式被设置为______状态，默认的vlan是______。

交换机命令show interfaces type0/port_# switchport|trunk用于显示中继连接的配置情况，下面是显示例子：
2950#show interface fastEthernet0/1 switchport
Name:fa0/1
Switchport:Enabled
Admini strat ive mode:trunk
Operat ional Mode:trunk
Administrative Trunking Encapsulation:dotlq
Operational Trunking Encapsulation:dotlq
egotiation of Trunking:disabled
AccesS Mode VLAN:0((inactive))
Trunking Native Mode VLAN:1(default)
Trunking VLANs Enabled:all
Trunking VLANs active:1，2
Pruning VLANs Enabled:2-1001
Priority for untagged frames:0
Override vlan tag priority:FALSE
Voice VLAN:none
在这个例子中，端口fa0/1的链路模式被设置为______状态，默认的vlan是______。

A:VLAN0 B:VLANl C:VLAN2 D:VLAN3

下面是显示交换机端口状态的例子： 2950# show interface fastEthernet0/1 switchport Name: fa0/1 Switchport: Enabled Administrative mode: trunk Operational Mode: trunk Administrative Trunking Encapsulation: dot1q Operational Trunking Encapsulation: dot1q Negotiation of Trunking: Disabled Access Mode VLAN: 0 ((Inactive)) Trunking Native Mode VLAN: 1 (default) Trunking VLANs Enabled: ALL Trunking VLANs Active: 1, 2 Pruning VLANs Enabled: 2-1001 Priority for untagged frames: 0 Override vlan tag priority: FALSE Voice VLAN: none
在以上显示的信息中，端口fa0/1的链路模式被设置为（67），默认的VLAN为（68）。

A:VLAN0 B:VLAN1 C:VLAN2 D:VLAN3

交换机命令show interfaces type0/port_#switchport|trunk用于显示中继连接的配置情况，下面是显示例子：  在这个例子中，端口fa0/1的链路模式被设置为（）状态，默认的vlan是（） 默认的vlan是（）

A:VLAN0 B:VLAN1 C:VLAN2 D:VLAN3