Which of the following is a format used for data exchange between web servers and clients, often used in AJAX?
A. XML
B. HTML
C. CSS
D. SQL
Answer: Option A
Solution (By JKSSB Mock Tests)
XML (eXtensible Markup Language) and JSON are commonly used for data interchange in AJAX. However, XML is the 'X' in AJAX, though JSON is now more prevalent.
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