(single) If there is multiple set-top boxes under one ONT (for example, HG850) while watching a multicast program, which of the following functions is enabled for the ONT multicast user on the OLT can ensure that one set-top box switches channels while other set-top boxes are watching. The program is not affected?
(multiple) In SNMP V1, which of the following messages is a communication message between the NMS and the Agent?
(single) Regarding the ADSL rate limit in the UA5000, which of the following statements is incorrect?
(single) In the GPON network, which of the following options must be bound to the MA5680T DBA template to take effect?
(multiple) Which of the following access network products can provide ADSL access?
(multiple) Regarding the QinQ VLAN, what are the following statements correct?