1Z0-895 · Question #14
A developer needs to deliver a large-scale enterprise application that connects developer chooses an EJB 3.1-compliant application server, which three are true about the EJB business component tier?…
The correct answer is A. Load-balancing is NOT a guarantee for all EJB 3.1 containers. C. Thread pooling can be optimized by the Bean Provider programmatically. F. EJB 3.1 compliant components are guaranteed to work within any Java EE 6 application server. The EJB tier hosts the business logic of a J2EE application and provides systemlevel services to the business componentsproblems include state maintenance, transaction management, and availability to local and remote clients. The EJB 3.1 specification does not address…
Question
Options
- ALoad-balancing is NOT a guarantee for all EJB 3.1 containers.
- BClustering is guaranteed to be supported by the EJB 3.1 container.
- CThread pooling can be optimized by the Bean Provider programmatically.
- DBean Providers are NOT required to write code for transaction demarcation.
- ESupport for server fail-over is guaranteed for an EJB 3.1-compliant application server.
- FEJB 3.1 compliant components are guaranteed to work within any Java EE 6 application server
How the community answered
(34 responses)- A71% (24)
- B3% (1)
- D9% (3)
- E18% (6)
Explanation
The EJB tier hosts the business logic of a J2EE application and provides systemlevel services to the business componentsproblems include state maintenance, transaction management, and availability to local and remote clients. The EJB 3.1 specification does not address "high-end" features like clustering (not B), loadbalancing (A) and fail-over (not E). F: The target platform for
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