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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.On the morning he is set to star in a career-changing blockbuster film, an Irish actor trying to live down his rocky past confronts a series of devastating events that threaten his sobriety, his loved ones, and ultimately his life.　　不能再演奏钢琴的程岳，离开台湾到世界各地去流浪，后来落脚大陆上海，并和董小鹿意外重逢、两人从互相讨厌到彼此了解， 还发生…在击败了拥有不死之身的大反派汪达尔·萨维奇，以及与其勾结的腐败的时间之主后，新的危机浮出水面。内特·海伍德博士(尼克·扎诺饰)——一个标新立异却魅力十足的历史学家——卷入一场惊人的行动——传奇们在时间线上失散了。南国王爷冷卿泽奉皇上之命迎娶了将军之女楚映瞳，于是两人开始了并没有感情的婚姻生活。婚后随着两人的相处，他们彼此相知，最后爱上对方。但皇上忌惮楚映瞳之父楚将军功高盖主，于是命冷卿泽亲自斩杀岳父，楚映瞳与冷卿泽的感情再次遭遇危机…奶娘和丫头低声哄劝。