A programmer reports this problem when using XML: "I forgot to put the end tag on one of my XML tags, and everything quit working. Took me forever to figure it out, and I had to use IE as a debugger." What kind of error is it? What rules were applied, and which should have been applied earlier?

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Types Of Protocols

A network protocol is a collection of rules that governs the exchange of data between devices connected to the same network. In other words, network protocols are rules that specify how devices communicate or transfer data over a network. The sender and receiver systems must obey the standards to facilitate communication between them.