Common VPI/VCI values in ADSL applications include ____ .( Choose one or more )

The main functions of LNS and LAC in L2TP components are ____ .( Choose one or more )

Which of the following special requirements does the routing protocol run between PE and CE _______ .

If each of the teams it corresponds to a type of packets, the transmission ratio of the amount of each queue is sequentially increased, both 1: 2: 3: ...: most large number of queues, assume that the application speed of the schedule port If it is 100Mbps , then when each queue corresponds to a message that is forwarded at a speed of 20Mbps after the port is congested.Of 7 broadband packet queue corresponds may be used about as ______

According to Nquist 's theorem, the telephone system samples human voice ______ times per second in order to fully represent the characteristics of the voice signal.