GSNA Question #172: Real Exam Question with Answer & Explanation

The correct answer is A. HttpSessionBindingListener D. HttpSessionActivationListener. Except for the HttpSessionActivationListener and the HttpSessionBindingListener, all other listeners must be configured in the deployment descriptor. HttpSessionBindingListener has methods that notify the object when it is added to or removed from a session. It has methods that i

Question

Which of the following listeners need not be configured in the deployment descriptor? (Choose two)

Options

AHttpSessionBindingListener
BHttpSessionAttributeListener
CHttpSessionListener
DHttpSessionActivationListener

Explanation

Except for the HttpSessionActivationListener and the HttpSessionBindingListener, all other listeners must be configured in the deployment descriptor. HttpSessionBindingListener has methods that notify the object when it is added to or removed from a session. It has methods that informs the attributes when the session is about to be activated or passivated. These methods are related to the attributes and not to the complete session. Hence, the container takes care of them and need not be configured in the deployment

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