Which of the following components belong to portal layer
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a. XSL
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b. xxxFactory.java
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c.xxxAction.java
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d.JSP
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e. xxxDTO.java
A,C,D
Correct answer
Explanation
In portal layer architecture: XSL handles presentation transformation, JSP is for view rendering, and Action classes (xxxAction.java) handle request processing. Factory classes are typically in lower layers (business/DAO), and DTOs are data transfer objects used across layers but not portal-layer-specific.