Question 1: Which of these is true about include directive. Select the one correct answer.
1. The included file must have jspf extension.
2. The XML syntax of include directive in <jsp:include file="fileName"/> .
3. The content of file included using include directive, cannot refer to variables local to the original page.
4. When using the include directive, the JSP container treats the file to be included as if it was part of the original file.