A user is taken through a series of Web pages in an online store and eventually checks out to complete his purchase. In the event of a server failure, the user should not have to repeat a step that has already been performed.
Which session management strategy is best suited if the user cannot tolerate a loss in session information?
A.
Database persistence to external datastore
B.
Memory–to-memory replication in Both mode
C.
Memory–to-memory replication in Client mode
D.
Memory–to-memory replication in Server mode