A. SC, FC, LC
B. FC, LC, SC
C. LC, SC, FC
D. None of the above
A. Stacking VLAN
B. QinQVLAN
C. Common VLAN
D. Super VLAN
A. The packet-to-packet forwarding technology is used.
B. An ASIC chip is used to forward packets, and the forwarding technology of "one-time routing and multiple-time switching" is used.
C. VLANs are configured to suppress broadcast storms, saving bandwidth and system resources.
D. Hardware with lower specifications is used.
A. The port trunk allow-pass vlan 100 200 command is set during trunk port configuration, but VLAN 300 is not included.
B. The PVIDs of this port are 100 and 200.
C. GVRP is enabled on this interface.
D. The PVID of this port is 300.
A. Press the RESET button on the control board handle to forcibly reset the control board, and check whether the board works properly after reset.
B. Run the board reset command to reset a service board, and check whether the service board works properly after being reset.
C. Hot swap the board and check whether the board works properly after reset.
D. All of the above
A. FALSE
B. TRUE
A. Steady green.
B. Green 0.5s on and 0.5s off repeatedly.
C. Green 0.25s on and 0.25s off repeatedly.
D. Green is on and is off repeatedly.
A. 850
B. 1310
C. 1550
D. 1490
A. Application layer
B. Transport layer
C. Control layer
D. Network layer
