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Certification

Back-End Developer 7.4
Certification

Put your developer skills to the test with Liferay DXP 7.4 questions on topics including setting up the development environment, the OSGi Framework, real-world applications, and portal search.

90 Min | 50 Questions | 200 USD

Get Prepared for the Exam

Exam Blueprint

90 Minutes
50 Questions
70% Passing Score

Example Test Questions

  • All questions are based on Liferay best practices when developing for Liferay DXP.
  • Unless otherwise indicated in the question, assume a new Liferay installation with no additional plugins installed and no modifications to portal properties.
1.    Liferay DXP 7.4 has an embedded OSGi container.
a.    True
b.    False
    Answer: a

2.    Which of the following files does Service Builder use to generate code?
a.    serviceBuilder.xml
b.    service.xml
c.    serviceBuilder.json
d.    serviceImpl.java
    Answer: b

3.    Which of the following statements about MVC Commands are true?
(Please select all correct answers.)
a.    MVC Commands are Liferay’s way of implementing the Render, Action, and Resource Serving phases of a portlet.
b.    MVC Commands are implemented as components.
c.    MVC Commands are defined in the Java Portlet Specifications JSR 168 and are the default way of supporting various portlet lifecycle methods.
d.    MVC Commands keep the portlet class lean, making the phases of the portlet more manageable.
e.    MVC Commands must be implemented through the Gogo Shell.
    Answer: a, b, and d

Topics:

Each topic will be a percentage of the test below.
Amplíe Todos Colapsar todos
  • Liferay 7.4: Liferay Basics | 10%

    Liferay offers developers a platform and a comprehensive set of tools for building web applications. In addition, the Liferay platform is built on OSGi technology: Liferay applications are OSGi applications, and the platform has an embedded OSGi container.
    Blade CLI
    Liferay Workspace
    Liferay Modules
    Working With Liferay Workspace
    Manage Module Dependencies
    Gogo Shell (Basic Commands)
  • Liferay 7.4: Working with Portlet Modules | 10%

    Liferay's user interface relies on portlets but not strictly on the standard portlet specification. Although there are many ways of building out your application's user interface, using the MVC pattern along with portlets as the implementation of the Controller and View Layer is still the essence of Liferay development.
    Java Standard Portlet
    Liferay MVC Portlet Module
  • Liferay 7.4: Real-World Applications | 50%

    A real-world Liferay application can make use of Liferay's time-saving tools and frameworks.
    Liferay Service Builder
    Access Control
    Liferay Frameworks (Asset Framework and Portal Search)
  • Liferay 7.4: Extending Liferay's Schema | 6%

    As a developer, you may sometimes want to add a persistable and manageable attribute to an existing Liferay data model.
    Custom Fields
    Expando API
  • Liferay 7.4: Customizing the Service Layer | 4%

    All Liferay core services have been designed and generated with the Liferay Service Builder pattern, which automatically generates service wrapper APIs for both remote and local service variants.
    Service Wrappers
    Override OSGi Service References
  • Liferay 7.4: Customizing Portal Search | 10%

    Liferay has an extensive search framework. Customization can be done on all layers, from the user interface to the indexing process and index settings.
    Basic Search Concepts
    Indexing and Searching
  • Liferay 7.4: Headless | 10%

    Liferay DXP has several headless APIs that allow for RESTful interactions with Liferay DXP resources without being tied to Liferay DXP’s UI.
    Using Liferay DXP as a Headless Platform
    Producing APIs with REST Builder

Preparing for the Exam

Achieving recognition as a Liferay Certified Professional Back-End Developer demonstrates that you understand core concepts for developing Liferay modules and know how to follow Liferay best practices to develop robust, elegant, and maintainable solutions based on the Liferay Platform. The exam is designed to be challenging, yet fair for Liferay developers. Here’s how you can succeed:

  1. This exam is based off of the Liferay Training course Liferay DXP 7.4 for Technical Users.
  2. Review the additional source material. learn.liferay.com is an amazing complementary source of information for the exam.
  3. Get hands-on development experience. Some of the topics covered on the exam require the kind of knowledge that comes from real experience developing for the Liferay Platform. It would also be helpful to review Liferay’s source code to ensure you're familiar with Liferay's best practices.
  4. Register.
  5. Show up to the testing center with the required identification and take the 90-minute exam

How to Register

Liferay Certification exams are administered by Kryterion. Please register for an exam on Kryterion's website.
Registration Fee: $200 USD

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Additional Resources for the Exam

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