問題詳情
19 如下图所示，3com和Cisco公司的交换机相互连接，在两台交换机之间需传输ULANID为1、10、20和30的4个VLAN信息，Catalyst 3548交换机VLAN Trunk的正确配置是
(A)Switch-3548 config-if #switchport trunk encapsulation dot 1 q Switch-3548 config-if #switchport trunk allowed vlan 1,10,20,30
(B)Switch-3548 config-if #switchport mode trunk Switch-3548 config-if #switchport trunk encapsulation isl Switch-3548 config-if #switchport trunk allowed vlan 1-30
(C) Switch-3548 config-if #switchport mode trunk Switch-3548 config-if #switchport trunk encapsulation negotiate Switch-3548 config-if #switchport trunk allowed vlan 1-30
(D)Switch-3548 config-if #switchport mode trunk Switch-3548 config-if #switchport trunk encapsulation dot 1q Switch-3548 config-if #switchport trunk allowed vlan 1,10,20,30
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)