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1Z0-900 Braindumps - 100% Success with Latest Oracle 1Z0-900 Exam Questions

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1Z0-900 Braindumps - 100% Success with Latest Oracle 1Z0-900 Exam Questions

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  1. Oracle Java EE 7 Application Developer 1Z0-900 Exam Question & Answer PDF (FREE --- DEMO VERSION) Get Full Version of 1Z0-900 Exam Question Answer PDF Here: https://itexamquestions.com/product/1z0-900-exam-questions/ Thank You For Reviewing 1Z0-900 Exam PDF Demo

  2. Oracle 1Z0-900 Exam Java EE 7 Application Developer Exam Questions&Answers Demo

  3. Questions & Answers PDF Page 2 Version: 8.0 Question: 1 You need to develop a chat application, which allows the display of emoticons and images together with text messages. How should you configure a WebSocket endpoints to receive both text and binary messages? A. Create two @onMessage methods in the same endpoint with appropriate parameter types. B. Define the @onMessage methods in your endpoint with Object as parameter and check the actual type in your code. C. You can achieve this only by creating separate WebSocket endpoints for each message type. D. Create two @onMessage methods, each with appropriate decoder attribute in the same endpoint. Answer: D Explanation: Reference: handbook/content/Receiving%20Messages.html https://abhirockzz.gitbooks.io/java-websocket-api- Question: 2 Which two capabilities are provided by the Java Authentication and Authorization Services (JAAS) API? (Choose two.) A. protecting data from unauthorized viewing by using encryption B. verifying that a user is allowed to perform an action C. ensuring that data is not modified in transit D. verifying identity claims from users Answer: B,C Explanation: Reference: https://docs.oracle.com/javase/8/docs/technotes/guides/security/jaas/JAASRefGuide.html Question: 3 Which interface should you implement if you want to be alerted to the lifecycle events surrounding your task being executed by a ManagedExecutorService?

  4. Questions & Answers PDF Page 3 A. the Runnable Interface B. the ManagedExecutorTask interface C. the TaskEventListener interface D. the ManagedTaskListener interface Answer: D Explanation: Reference:https://github.com/javaee/concurrency-ee- spec/blob/master/api/src/main/java/javax/enterprise/concurrent/ManagedExecutorService.java Question: 4 Given the code fragment: Which URL triggers the invocation of the getEmployee () method? A. <base url>/Employees/89724 B. <base url>/Employees/J6349 C. <base url>/Employees/id:a7280 D. <base url>/Employees/id/J6349 Answer: A Question: 5 What is true about Message-Driven Beans (MDBs)? A. MDBs can participate in transactions. B. MDBs are invoked synchronously. C. Each MDBs can process messages only from a single client. D. MDBs retain data caches between client calls.

  5. Questions & Answers PDF Page 4 Answer: A Explanation: Reference: https://docs.oracle.com/javaee/7/tutorial/ejb-intro003.htm Question: 6 You have been asked to implement internationalization in your JSF web application. Where do you configure the supported locales? A. in the <f:view> tag of the Facelet page B. in the web.xml file C. in the faces-config.xml file D. in the src folder Answer: A Question: 7 Given the code fragment: Which code can be added to register both of these methods to receive BankEvent notifications only if an instance of BankActivityService is already instantiated in the current context? A. @Observes(notifyObserver=IF_EXISTS) on line 3 and line 6 B. @Observes(during=IN_PROGRESS) on line 1 C. @Observes(during=AFTER_COMPLETION) on line 1 D. @Observes(notifyObserver=IF_EXISTS) on line 4 and line 7 before method parameter declaration Answer: A Explanation:

  6. Questions & Answers PDF Page 5 Reference: https://docs.oracle.com/javaee/7/tutorial/cdi-adv005.htm

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