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ArugumentClassFourth, due to the need to monitor teachers' course arrangement and class attendance online, with the increase in the number of students, the technical requirements for teacher management are higher.1) When drawing a line, when the line turns purple, it indicates that the line is parallel or perpendicular to a line in the figure, or forms an isosceles triangle with the original two straight lines.TCP works in the Transport layer, IP in the Network layer, and ARP in the DataLink layer; The data on the second layer is called Frame, the data on the third layer is called Packet, and the data on the fourth layer is called Segment. At the same time, we need to simply know that when data is sent from the application layer, header information will be added to each layer, encapsulated, and then sent to the data receiving end. This basic process you need to know, that is, every data will go through the process of data encapsulation and unencapsulation.5 No parking is allowed within 30 meters at bus stations, first aid stations, gas stations and fire brigades (stations).1990 年，一名傲慢的大学生因一项关系到印度教育系统的关键法案而参加学生暴乱。