A.Li ie the called UA sent Back message

B.Li ie the called UA send Cancel message

C.Li ie the called UA sent BE message

D.No law revoked just please request

A.entire network has a sound management system

B.There is an adequate security system when connecting to the internet

C.determined users within the network access security and legal security

D.Have sufficient encryption and anti-counterfeiting means when transmitting data on the internet

A.reset ike sa

B.reset ike

C.reset ike tunnel

D.reset ipsec sa

A.start-por and end-port are configured with UDP port numbers

B.provided apparatus applied RTPQ queue

C.its configured start-port port number as the source port number, End Port- port number and destination port number

D.start-por and end-port are configured with TCP port numbers

A.flat average queue length is less than the minimum discard threshold, less than the maximum discard threshold, packets are dropped randomly

B.In discarded after a congested port

C.flat average queue length is greater than the maximum discard threshold, packets are dropped randomly

D.The higher the priority of the packet , the lower the drop probability.Which means less discarded

E.flat average queue length is less than the minimum discard threshold, discarding packets not