Under static NAT networking, the signaling description of the public network terminal called the private network terminal is correctly (). (3 answers).
Under the static NAT networking, the packet of the private network terminal through the firewall will change, and the following description is wrong ( ).
In the RTP specification (RFC3550), a total of ( ) types of RTCP reports are defined to report current control information.
The default mode of operation for the GE1 port of the MCU is ( ).
TESTED 16 May 2024
