The message format of the multipoint MAC control layer is an Ethernet frame. What might be the destination MAC?

Among the access technologies of the access network, which of the following access methods can provide the largest access bandwidth?

According to the ITU-T G.984.x series of standards, what are the upstream and downstream bandwidths of GPON?

When the MA5600T/MA5603T equipment needs to be maintained and managed locally, the baud rate setting of the maintenance terminal's hyperterminal must be consistent with the serial port baud rate parameters of the MA5600T/MA5603T system. What is the system default serial port baud rate?

Which of the following are not features of smart vlan?