(22 dynamic mapping example explanation dynamic mapping, first deal with the problem of port mapping through dial-up Internet. Voice video 22 minutes, 21 seconds, 23 how ROS seals the secondary router and key points of cracking. Explanation of the three linked list marks and cracking methods of sealing the secondary route with ROS. Voice video 24 minutes, 31 seconds, 24 dynamic speed limit uses scripts and planning tasks to do different speed limits for different periods of time, The intention of this lesson is to throw a brick to attract jade voice video 20 minutes 05 seconds 25 network cracking ROS code) how to crack ROS code when there is no CD-ROM drive and no USB drive to start, we can crack voice video 21 minutes 01 seconds 26nth load balancing nth load balancing theory and third-line example voice video 31 minutes 51 seconds through PXE)