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Overview of Wide Area Networks and Protocols by susmita lamsal is a document available to read on EtoBox.
What is Overview of Wide Area Networks and Protocols about?
The document discusses wide area networks. There are two main classes of wide area networks: the public switched telephone network (PSTN) and purpose-built public data networks (PDNs). The PSTN is a circuit-switched network that uses the telephone system to connect computers over long distances. PDNs use permanent links like fiber optic cables to carry data traffic between fixed points independently of the telephone system.
- Author
- susmita lamsal
- Language
- EN