• Description:000-257 Enterprise Application Development with IBM Rational Application Developer for WebSphere Software V6.0
• Passing Score:75%
• Practice Test - Number of questions:89 questions
• Simulation Test - Number of questions:89 questions
• Simulation Test Duration:41 minutes
• Has explanations:No

In order to support failover of HttpSessions, a developer has chosen to use database session persistence. Which of the following approaches is MOST LIKELY to improve performance?

Answer(s)

1. Cache as much information as possible in the HttpSession to minimize database access.
2. Use the application database for session persistence to minimize the number of database connections required
3. Use Compressed Sessions and the IBMSession.compress ( ) method to reduce the size of data in the session before persistence
4. Use Manual Update and the IBMSession.sync( ) method to persist the session data only when it has been updated.

Use Manual Update and the IBMSession.sync( ) method to persist the session data only when it has been updated.