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Oracle 1Z0-807 Exam Questions
- Topic 1: Identify how the Separation of Concerns principle applies to the component model of a Java EE application; including client
- Topic 2: the web and business component containers
- Topic 3: and the integration and resource layers
- Topic 4: Identify best practices for exception hand
Free Oracle 1Z0-807 Exam Actual Questions
Note: Premium Questions for 1Z0-807 were last updated On 17-12-2020 (see below)
Your development team wants to use Google Guice. A previous architect assigned this request a low priority, citing the complexity of integration and no compelling benefits statements from the requesting team.
The team claims that their colleagues have achieved the integration using a pattern. This pattern reduced the level of difficulty and risk and did not require vendor support.
Which pattern fits this description?
https://code.google.com/p/peaberry/
Which two features are supported by the Java Authentication and Authorization Service (JAAS) API?
Which two statements are true about security strategies at the message level?
You are using an open source integration framework in your project. However, key interfaces do not explicitly define several strange conditions you have repeatedly seen while testing.
Which option is the name given to the anti pattern described above?
All non-trivial abstractions, to some degree, are leaky.
An abstraction that works most of the time, but where a detail of the underlying complexity cannot be ignored, thus leaking complexity out of the abstraction back into the software that uses the abstraction.
While analyzing an existing web application, you observe the following issues in the source code:
* Duplicate control code is scattered throughout various view.
* Business and presentation logic are mixed within these view.
The next phase of the project involves refactoring the existing code to address these two issues.
Which design pattern, if employed in the refactoring exercise, would most directly address the two issues?
http://www.vincehuston.org/j2ee/corepatterns.html (see 'service to worker')
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