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Oracle 1Z0-900 Exam Dumps

Certification Exams

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Number Of Questions

142

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Description

Exam Name: Java EE 7 Application Developer
Exam Code: 1Z0-900
Related Certification(s): Oracle Java Certification
Certification Provider: Oracle
Actual Exam Duration: 110 Minutes
Number of 1Z0-900 practice questions in our database: 142 
Expected 1Z0-900 Exam Topics, as suggested by Oracle :

  • Module 1: Create REST Services and clients using JAX-RS API/ Create REST Services and clients using JAX-RS API
  • Module 2: Handle entity data with conversions, validations, and key generation/ Describe Java EE 7 standards, containers, APIs, and services
  • Module 3: Manage servlet life cycle with container callback methods and WebFilters/ Create SOAP Web Services and Clients using JAX-WS API
  • Module 4: Define Java to XML Schema mappings to marshall and unmarshall Java Objects by using JAXB API/ Create, package and deploy Java EE application
  • Module 5: Create JPA Entity and Relationship Object-Relational Mappings (ORM)/ Produce and consume, encode and decode WebSocket messages
  • Module 6: Handle errors using Servlets and Java Server Pages/ Describe JSP syntax, use tag libraries and Expression Language (EL)
  • Module 7: Use Entity Manager to perform database operations, transactions and locking with JPA entities/ Create and execute JPQL statements
  • Module 8: Create WebSocket Server and Client Endpoint Handlers using JSR 356 API and JavaScript/ Demonstrate understanding of Enterprise JavaBeans and CDI beans
  • Module 9: Create sessionEJB components containing synchronous and asynchronous business methods/ Demonstrate understanding of the relationship between bean components

Q1. When handling a JSF request, your application code decided to redirect the call to another URL by using HTTP redirect. Which action should you take to correctly complete the handling of the JSF life cycle?

A.Set the immediate=''true'' attribute on the command button that was used to perform this call.

B. Invoke the dispatch() method on the ExternalContext object.

C. Invoke the setCurrentPhaseId(RENDER_RESPONSE) method on the FacesContext object.

D. Invoke the responseComplete() method on the FacesContext object.

Correct Answer: C

Q2. 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.

Correct Answer: A

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