(Single choice) The following statement about defending MAC Spoofing is wrong:
(Radio) A power access service deploys GPON Type C dual-attribution protection, and the protection group is bound to the uplink Ethernet-port status on the OLT. When the Ethernet port associated with the protection group on the OLT goes Down, the following description is incorrect.
Which of the following statements about the E2E ODN pre-connection solution are correct?
Which of the following options can improve the service experience of multicast users when switching channels (shorter switching time)?
In Layer 2 multicast, how many multicast IP addresses can a multicast MAC address correspond to?
(Radio) The device periodically sends and receives LACP packets to avoid information loss. If no LACPDU is received within ( ) LACP interaction cycles, the system considers the member port Down.
(Single-choice) An IPTV user reports the TV cannot be watched. After enabling OLT debug for multicast/IGMP, the printed information (authorization result) indicates the conclusion below. This can be judged by the results of the query:
If the number of user ports configured in a service profile is different from that supported by an ONT, all user services on the ONT are unavailable.
(Radio) When configuring multicast services on MA5600T/MA5680T, the programs of multicast VLANs are statically configured. Which of the following must be configured, otherwise the multicast programs may not be able to be watched?
