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1. which one is modern light weight message exchange format?
- A. JSON
- B. JSON
- C. JSON
- D. JSON
Answer: Option A
Explanation:
The data model is different. Apart from the lack of markup, which you noticed yourself, JSON also doesn't have all the other XML features, such as:
Processing instructions
Comments
Attributes
Hence, not only the data itself is more lightweight, but also any library implementing the data model.
This makes rendering, parsing, processing JSON with non - JavaScript languages a lot faster. For JavaScript, this is a no - brainer, as JSON is actual JavaScript code, and thus much more "lightweight" for a JavaScript parser to process
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