单选题
如下图所示,在一台Cisco Catalyst 3500交换机上连接2台PC机,使用端口划分方法将它们分别划分在VLAN ID为21、22,VLAN名为VL21、VL22的VLAN中,下列关于交换机VLAN的配置,正确的是( )。
A、
Switch-3548#vlan data Switch-3548(vlan)#vlan 21 name vl21 Switch-3548(vlan)#vlan 22 name vl22 Switch-3548(vlan)#exit Switch-3548#configure terminal Switch-3548(config)#int f0/1 Switch-3548(config-if)#switchport access vlan 21 Switch-3548(config)#int f0/2 Switch-3548(config-if)#switchpon access vlan 22
B、
Switch-3548#vlan data Switch-3548(vlan)#set vlan 21 name vl21 Switch-3548(vlan)#set vlan 22 name vl22 Switch-3548(vlan)#exit Switch-3548#configure terminal Switch-3548(config)#int f0/1 Switch-3548(config-if)#switchport access vlan 21 Switch-3548(config)#int f0/2 Switch-3548(config-if)#switchport access vlan 22
C、
Switch-3548#vlan data Switch-3548(vlan)#vlan 21 name vl21 Switch-3548(vlan)#vlan 22 name vl22 Switch-3548(vlan)#exit Switch-3548#configure terminal Switch-3548(config)#int f0/l Switch-3548(config-if)#switchport allowed vlan 21 Switch-3548(config)#int f0/2 Switch-3548(config-if)#switchport allowed vlan 22
D、
Switch-3548#vlan data Switch-3548(vlan)#vlan 21 name vl21 Switch-3548(vlan)#vlan 22 name vl22 Switch-3548(vlan)#exit Switch-3548#configure terminal Switch-3548(config)#int f0/1 Switch-3548(config-if)#switchport access 21 Switch-3548(config)#int f0/2 Switch-3548(config-if)#switchport access 22
【正确答案】
A
【答案解析】
解析:建立VLAN的命令格式“vlan<vlan_ID>name<vlan_name>”,为端口分配VLAN的命令格式为“switchport access vlan<vlan_num>”。综上所述只有A项符合。
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