Which of the following is not included in the Business Impact Analysis (BIA).
At what layer does packet filtering technology in the firewall filter packets?
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.

We should choose the encryption algorithm according to our own use characteristics. When we need to encrypt a large amount of data, it is recommended to use the ____ encryption algorithm to improve the encryption and decryption speed.[fill in the blank]*