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红椒接过那小小的茶盏，咕咚咕咚两大口就喝完了。招呼众人坐下，说笑闲谈起来。体贴地点头道：这不怪她。Scarcity mentality will seriously affect cognitive judgment ability, and a sharp decline in cognitive judgment ability will lead to shortsightedness. In other words, a person will become stupid if he is poor.今天办公室 明天浪漫室In the process of DNS resolution, the client initiates a query request, and the DNS server may need to make additional queries to complete the resolution process and give a response, which will consume certain computing and network resources. If an attacker uses a large number of controlled hosts to continuously send resolution requests for different domain names, the cache of the DNS server will be continuously refreshed, and the failure of a large number of resolution requests to hit the cache will cause the DNS server to consume additional resources for iterative queries, which will greatly increase the resource consumption of the DNS server.