Which statement is true about this subinterface configuration ?
  • Refer to the partial Cisco IOS router configuration exhibit.
    interface FastEthernet0/0
    no ip address
    no shut
    !
    interface FastEthernet0/0.1
    ip address 192.168.1.1 255.255.255.0
    !
    interface FastEthernet0/0.2
    ip address 192.168.2.1 255.255.255.0
    !
    interface FastEthernet0/0.3
    ip address 192.168.3.1 255.255.255.0
    !

    Which statement is true?

    A. To provide inter-VLAN routing, the Fa0/0.1, Fa0/0.2 and Fa0/0.3 subinterface configuration is missing the encapsulation dot1Q vlan-id subinterface configuration command.
    B. To provide inter-VLAN routing, the router is missing the vlan 1, vlan 2, and vlan 3 global configuration commands.
    C. To support the subinterface configuration, the Fa0/0 main interface configuration is missing the encapsulation dot1Q command.
    D. The Fa0/0 interface/subinterface are configured correctly to operate as a trunk port to provide inter-VLAN routing for three VLANs (VLANs1, 2, and 3). 8)