Most Recent Oracle 1Z0-900 Exam Questions & Answers

Prepare for the Oracle Java EE 7 Application Developer exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-900 exam and achieve success.

The questions for 1Z0-900 were last updated on Nov 20, 2024.

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Question No. 1

Which two approaches would result in the current date being added to the output of a JSP? (Choose two.)

A<%= out.printIn(new java.util.Date()) %>

B<% out.printIn(new java.util.Date()); %>

C<%= new java.util.Date() %>

D<% System.out.printIn(new java.util.Date()); %>

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Correct Answer: A, C

Question No. 2

Which two features are provided by the JSTL Core library for a JSP? (Choose two.)

Aiteration over a collection

Bbuffering of large result sets

Ctesting conditions

Dmessage localization

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Correct Answer: A, D

Question No. 3

Which two capabilities are provided by the Java Authentication and Authorization Services (JAAS) API? (Choose two.)

Aprotecting data from unauthorized viewing by using encryption

Bverifying that a user is allowed to perform an action

Censuring that data is not modified in transit

Dverifying identity claims from users

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Correct Answer: B, C

Question No. 4

Given the following code:

What should you do at line 1 to enable this servlet receive request data without blocking?

AUse a Runnable instance with the start () method of AsyncContext.

BDefine a ReadListener and assign it to the request input stream.

CCreate a Callable class and delegate this operation to a ManagedExecutorService by using the dispatch method of AsyncContext.

DDefine an AsyncListener and assign it to the AsyncContext object.

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Correct Answer: D

Question No. 5

Given an HttpServletRequest request and an EJB SessionContext ctx.

Which is a valid way to retrieve the Principal invoking either behavior?

Arequest.getCallerPrincipal() and ctx.getCallerPrincipal()

Brequest.getUserPrincipal() and ctx.getUserPrincipal()

Crequest.getCallerPrincipal() and ctx.getUserPrincipal()

Drequest.getUserPrincipal() and ctx.getCallerPrincipal()

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Correct Answer: A

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