The following figure shows the configuration of a sub-interface on a router. For which VLAN does the sub-interface receive tagged data frames?
Refer to the following configuration of an interface on a switch. For which VLAN does the interface remove VLAN tags before forwarding data frames?
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interface GigabitEthernet0/0/1
port link-type trunk
port trunk pvid vlan 10
port trunk allow-pass vlan 10 20 30 40
If the transport-layer protocol is UDP, the value of the "Protocol" field at the network layer is 6.
According to the one-armed routing configurations shown in the figure, even if ARP proxy is disabled on the sub-interface of R1, the Administration Dept and Finance Dept can still communicate with each other.
(When a network engineer enters a command, the following information is displayed:
Error: Unrecognized command found at 'A' position. Which of the following statements is true about such information?)