VPI/VCI is a global concept, it must be unique under the interface .

When increase ont-lineprofile on MA5680T, which of the following needs to configure? (Multiple choice)

Which one of the most common access to the business belongs to triple play in the following? (multiple choice)

(single) Is the following description correct? In EPON, when the length of the fiber under the PON port is 10KM, the split ratio is 1:32. When the length of the fiber is 20KM, the split ratio is 1:16.

Relationship of ADSL transmission rate and transmission distance is: the farther distance, the greater the attenuation, transmission rate is lower and transmission distance and attenuation is a non-linear relationship.