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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.《女生日记》改编自儿童作家杨红樱同名小说，李威执导，王群，张延继，王宁三人编剧，杨紫、莫诗旎、钱昱璇、康璐洁、马雅舒、许双、崔彬斌、郝明奇、盛冠森、钱博等主演 。该剧主要讲述了初二五班的冉冬阳，和以往不一样的是，她和莫欣儿、小魔女、南柯梦等好朋友遇到了许多过去从未遇到的问题，青春期的不期而至。《花落宫廷错流年》讲述了大清第一才女年姝媛与四阿哥以及太子胤礽三人之间爱恨纠葛的情感故事。在缠绵悱恻的爱情之间更有家国大义与波诡云谲的皇位之争，这样女性向的剧情、丰满的人物设定以及跌宕起伏的故事情节能最大程度上的吻合了追剧女性们的内心喜好。The method is very simple, press and hold the HOME key + POWER key at the same time until the white apple LOGO appears on the screen.历险新片《地心历险记2：神秘岛》，源于17岁的肖恩·安德森（乔什·哈切森饰）收到的一组发自无人知晓的神秘岛密码求救信号。因为无法劝阻肖恩追踪信号来源，肖恩的继父汉克（道恩·强森饰）只能陪着他一起踏上这段南太平洋之行。而他们最终的目的地，是一座没几个活人亲眼见过的岛屿。那里风光旎丽，鸟语花香；珍禽异兽，应有尽有；金山火山，叹为观止；是座无奇不有的神秘天堂。他们俩只找到一个，愿意跟他们铤而走险的直升机驾驶员，嘎巴托（路易斯·古兹曼饰），和他美丽，坚强的女儿凯兰尼（瓦妮莎·哈金斯饰），四人一起踏上了这段寻岛之旅。一路上他们不仅仅拯救了岛上唯一的人类居民，更在地震冲击波淹没岛屿，埋葬其无限宝藏之前，逃出生天。这一切的一切，都发生在《地心历险记2：神秘岛》上，这是继2008年全球大获成功的《历险之旅1：地心游记》后，另一段惊心动魄的历险故事。八个恐怖的韩国都市传说，叙述了在不同人身上所遇到的恐怖且离奇的事情。(3) Every month we have to write down the work plan for the next month, which is divided into several weeks. Our work basically changes little when and what we do, so there is not much change every week, but there will be some other unforeseen jobs at any time, which cannot be reflected if written for one month at a time. In particular, the last time I wrote the work plan for the second half of the year, it was broken down into each month. Standing in the middle of the year and looking at the end of the year, I could only list the general plan. It really made me very upset.