The frequency range of the baseband data signal used by common EoC technology is generally ____

When the user uses the phone, after picking up the phone handle and inputting the called number, which of the following signaling does the ringing of the called phone belong to ______ .

When a user's private network message is forwarded in the BGP MPLS VPN network, which of the following parameters may appear in the user's private network message ?

Configure the following commands in the MSR router:
dis qos wfq interface GigabitEthernet0/1
Get the following message:
interface GigabitEthernet0/1
Output queue (Urgabit queuing Size /discards): 0/100/0
Output queue (Urgabit queuing Size /discards): 0/100/0
Output queue (weighted fair queuing Size/length /discards): 1023/1024/52719
Hashed b DSCP
Hashed queues1/2/64(Active/max active/total)
Then what is incorrect in the following statement is ______

The following technologies do not have the function of data encryption.