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Oracle

1Z0-860 · Question #238

A developer needs to deliver a large-scale enterprise application that connects to legacy systems. If the developer chooses an EJB 3.0-compliant application server, which three are true about the…

The correct answer is A. Load-balancing is NOT a guarantee for all EJB 3.0 containers. D. Bean Providers are NOT required to write code for transaction demarcation. F. EJB3.0-compliant components are guaranteed to work within any JavaEE5 application server. See the full explanation below for the reasoning.

Question

A developer needs to deliver a large-scale enterprise application that connects to legacy systems. If the developer chooses an EJB 3.0-compliant application server, which three are true about the EJB business component tier? (Choose three.)

Options

  • ALoad-balancing is NOT a guarantee for all EJB 3.0 containers.
  • BClustering is guaranteed to be supported by the EJB 3.0 container.
  • CThread pooling can be optimized by the BeanProvider programmatically.
  • DBean Providers are NOT required to write code for transaction demarcation.
  • ESupport for server fail-over is guaranteed for an EJB 3.0-compliant application server.
  • FEJB3.0-compliant components are guaranteed to work within any JavaEE5 application server.

How the community answered

(35 responses)
  • A
    83% (29)
  • B
    9% (3)
  • C
    3% (1)
  • E
    6% (2)

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