As shown in the figure, the administrator needs to test the network quality of the 20.0.0/24 CIDR block to the 40.0.0/24 CIDR block on Device B, and the device needs to send large packets for a long time to test the network connectivity and stability.
Drag the phases of the cybersecurity emergency response on the left into the box on the right, and arrange them from top to bottom in the order of execution.[fill in the blank]*
IKE SA is a one-way logical connection, and only one IKE SA needs to be established between two peers.