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Abstract Factory: Creates a series of interdependent objects and can change the series at runtime.TelecommunicationsConsole.log ("I am the technical director responsible for the technical interview");The attack uses the method of sending a large number of domain name resolution requests to the attacked server, Usually the domain name requested to be resolved is randomly generated or does not exist on the network. When the attacked DNS server receives the domain name resolution request, it will first look for whether there is a corresponding cache on the server. If it cannot be found and the domain name cannot be directly resolved by the server, the DNS server will recursively query the domain name information from its upper DNS server. The process of domain name resolution brings a great load to the server. If the number of domain name resolution requests exceeds a certain number per second, the DNS server will time out to resolve domain names.一组年轻人重回到工作过的夏令营营地，意图掩盖五年前的一场意外。随着他们的到来，营地每天都有人意外死亡，究竟五年前发生了什么，谁又是凶手。吕馨似乎在幻想自己成为吕子的情景，嘴巴都笑成了一个弯弯的月牙。幕府后期，日本史上相当有人气的其中一个团体，一方面也是令勤王志士们闻风丧胆的年轻集团－新选组。以局长近藤勇为主轴，日本的未来就寄托在他们身上，是描述贯彻自己的信念的幕末青春物语。