(Multiple choice) When the OLT main control board CPU is detected to be continuously elevated, the
following possible causes are?

The maximum spectroscopic ratio supported by 10G EPON is?

The auto-discovery methods provided by sight are by network segment mode, ARP mode and routing mode.
At the same time, you can create a network segment or IP address of a device that does not need to be
connected as an exclusion list. Automatically skips the network segment or IP address configured in the
exclusion list during self-discovery of devices.

(Radio) Which of the following options can improve the service experience of multicast users when switching
channels (switching time is shorter)

Under IGMP snooping, there are two users on demand under the OLT- the same program, and the olt sends
two join messages to the multicast router