Quiz for Session Management

Q1: Which interface is used for session tracking in servlets?

A. ServletRequest B. HttpSession C. ServletContext D. SessionManager

Q2: Which method is used to get the session object from the request?

A. getSession() B. getAttribute() C. getContext() D. getHttpSession()

Q3: Which method is used to invalidate a session?

A. session.stop() B. session.clear() C. session.remove() D. session.invalidate()

Q4: How are sessions typically maintained between client and server?

A. Using cookies B. Using local storage C. Using cache D. Using query strings only

Q5: What is the default timeout for a session in minutes?

A. 10 B. 15 C. 30 D. 60

Q6: Which method sets an attribute in session?

A. setAttribute() B. addAttribute() C. putAttribute() D. store()

Q7: Which method retrieves an attribute from session?

A. getAttribute() B. fetchAttribute() C. read() D. getSessionAttribute()

Q8: What does session.isNew() return?

A. True if session is expired B. True if session is just created C. Always false D. True if session is active

Q9: Which method returns the session ID?

A. getId() B. getSessionId() C. sessionId() D. getSID()

Q10: How to set session timeout programmatically?

A. session.setTimeout() B. session.setMaxInactiveInterval() C. session.setSessionTime() D. session.timeout()

Q11: Which session tracking method appends session ID in the URL?

A. Cookies B. URL Rewriting C. Hidden fields D. HTTPS headers

Q12: Which object is used to store session data on the server?

A. ServletConfig B. HttpServletRequest C. HttpSession D. ServletResponse

Q13: What happens if a session is not accessed before timeout?

A. It throws exception B. It stays forever C. It is destroyed D. It is stored to disk

Q14: What is the scope of session attributes?

A. Application-wide B. Request-only C. User session-wide D. Global

Q15: Which method checks if the session exists without creating a new one?

A. getSession() B. getExistingSession() C. getSession(false) D. sessionExists()

Q16: Which of the following is not a valid session tracking technique?

A. Cookies B. URL Rewriting C. SSL D. LocalStorage

Q17: What does setMaxInactiveInterval(-1) do?

A. Sets infinite timeout B. Disables session C. Deletes session D. Throws exception

Q18: Which file can set session timeout in minutes declaratively?

A. web.xml B. server.xml C. session.xml D. config.properties

Q19: How can you remove a specific session attribute?

A. removeAttribute() B. deleteAttribute() C. clear() D. unset()

Q20: How can you check if session is still valid?

A. session.isActive() B. session.isValid() C. session.isNew() D. Handle IllegalStateException