單項選擇題

Which activity supports the data integrity requirements of an application？（）

A.Using HTTPS as a protocol
B.Using an LDAP security realm
C.Using HTTP Basic authentication
D.Using forms-based authentication

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多項選擇題

Which two classes or interfaces provide a getSession method？（）

A.javax.servlet.http.HttpServletRequest
B.javax.servlet.http.HttpSessionContext
C.javax.servlet.http.HttpServletResponse
D.javax.servlet.http.HttpSessionBindingEvent
E.javax.servlet.http.HttpSessionAttributeEvent

單項選擇題

Users of your web application have requested that they should be able to set the duration of their sessions.So for example， one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes； another user might want to stay connected for a whole day. Furthermore， youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration.
Which codesnippet in the login servlet will accomplish this goal？（）

A.User user = // retrieve the User object from the database session.setDurationInterval（user.getSessionDuration（））；
B.User user = // retrieve the User object from the database session.setMaxDuration（user.getSessionDuration（））；
C.User user = // retrieve the User object from the database session.setInactiveInterval（user.getSessionDuration（））；
D.User user=//retrieve the User object from the database session.setDuration（user.getSessionDuratio（））；
E.User user = // retrieve the User object from the database session.setMaxInactiveInterval（user.getSessionDuration（））；

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