(single) When the MA5680T traffic is scheduled, which of the following traffic will be marked as red?

(single) Is the following description correct? Under IGMP snooping, two users on the OLT broadcast the same program, and the OLT sends two join messages to the multicast router.

（ Single) What is the command to support local loopback on the MA5600 ADSL port?

(single) After installing the sybase patch, which of the following commands can display the version information of the sybase patch that has been installed?

(single) Is the following description correct? The minimum activation rate (Minimum transmission rate) in the ADSL/ADSL2+ parameter indicates the minimum activation rate that must be reached in this direction after the line is activated. If the setting is too large, the modem may not be activated normally.