There are many data models available, but in this article, I’ll focus on three of them – XML, JSON, and YAML. Data models are standardized, so if the system encodes data in one of the well-known formats(such as XML/JSON/YAML), the other can easily decode and use it for its own purpose. They come in handy when we have two or more independent systems that need to communicate with each other. The data models ensures consistency, and they are easy to work with while writing automation tasks. It describes how particular object structure should look like: I’m currently preparing for this exam, so in the following weeks, I’ll be publishing articles about the exam topics.Ĭompare data formats (XML, JSON, and YAML) Cisco DEVASC 200-901 exam topic covered in this article Data modelĪ data model is an abstract representation of data object. ![]() ![]() This is the first article from a series on the Cisco DevNet Associate exam (DEVASC 200-901).
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