(Single)When you configure the HUAWEI NETWORK MANAGEMENT U2000 for FTTH IPTV service
access, which of the following templates needs to be configured ().

(Multi-select) VLAN planning principles need to be considered

In the evolution of EPON to 10 G EPON, a smooth transition is achieved at the local level by adding WDM
WDM modules, and ODNs coexist

(Radio) When using the siP protocol, you need to use a local number graph for matching, if you use the default
matching mode to match a 7-digit number beginning with 7727, then the following options are available?
The figure is

(Radio) To improve link reliability, the LT device passes through two upstream ports 0/19/0 and 0/20/0
Configure the Timedelay protection group, which of the following commands is optional