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Collections of technical questions and answers focused on computer networking concepts and protocols.
Distinguishing note: This is a collection of educational Q&A content specifically for networking, distinct from general networking tools.
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This project is a community-driven knowledge base and career development platform designed to support students and aspiring software engineers in mastering technical domains. It functions as a structured educational framework that aggregates personal study notes, interview insights, and curated learning materials into a unified, searchable repository. By centralizing these resources, the platform facilitates peer-to-peer skill acquisition and provides a clear roadmap for navigating complex computer science subjects. The platform distinguishes itself through experience-driven content synthesis
因为UDP快啊!UDP的DNS协议只要一个请求、一个应答就好了。 而使用基于TCP的DNS协议要三次握手、发送数据以及应答、四次挥手,但是UDP协议传输内容不能超过512字节。 不过客户端向DNS服务器查询域名,一般返回的内容都不超过512字节,用UDP传输即可。