Certification

Back-End Developer 7.2
Certification

Put your developer skills to the test with Liferay DXP 7.2 questions on topics including setting up the development environment, the OSGi Framework, real-world applications, and portal search.

90 Min | 50 Questions | 200 USD

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. Blade CLI lets you create projects that can be used only with Liferay Developer Studio.
    True
    False
    Answer:  False
     
  2. Which of the following statements about OSGi are true?
    (Please select all correct answers.)
    A. An OSGi component is any Java class inside a bundle that is declared to be a component.
    B. An OSGi component doesn’t have a lifecycle.
    C.A service is an OSGi component registered to the OSGi container's service registry.
    D. Declarative services (DS) is a service that handles OSGi dependency injection and allows you to publish, find, and bind services based on XML metadata and annotations.
    E. An OSGi component cannot be stopped.
    Answer:  A, C, and D
     
  3. Which command do you need to execute to close the connection to the Gogo Shell without shutting the OSGi container down?
    A. shutdown
    B. Exit
    C. Quit
    D. Disconnect
    Answer: D

Topics:

Each topic will be a percentage of the test below.
Ingradire tutto Ridurre tutto
Gestione di siti e contenuti

Creating personalized digital experiences across web, mobile and connected device isthe goal of Liferay DXP's framework, but to accomplish that Liferay leverages the OSGi framework to provide a development environment for modular applications.

Multi-store — Gestisci più negozi da un singolo account.

Product Content Management

Web apps in Liferay Portal are called portlets. Like many web apps, portlets processrequests and generate responses. In the response, the portlet returns content (e.g.HTML, XHTML) for display in browsers. In Liferay, portlets runs in a portion of the webpage. With Portlet, you can create new functionalities.

Tipo di prodotto — Vendi prodotti fisici, prodotti in abbonamento, servizi e prodotti digitali.

Clicca per ingrandire Clicca per ridurre
Ricerca per catalogo e prodotti

Liferay Frameworks expand the capabilities of your implementations.

Creatore di pagine — Creazione "drag-and-drop" di pagine con dozzine di applicazioni out of the box.

Clicca per ingrandire Clicca per ridurre
Checkout

Extending and customizing Liferay Portal for your own needs.

Pagina di checkout — Visualizza le informazioni sugli ordini, come le date, il metodo di pagamento, il prezzo totale e le informazioni sull'account del cliente.

Clicca per ingrandire Clicca per ridurre
Prezzi e sconti

Upgrading from Liferay 6.X involves moving from plugins to Liferay modules.

Gruppi di account — Crea gruppi di account e personalizza listini, sconti o promozioni per ogni gruppo.

Liferay 7.2: Angular | 04%

.

Liferay 7.2: React | 04%

.

Liferay 7.2: Overriding Controller Actions | 08%

.

Liferay 7.2: Catch Portal Events | 06%

.

Liferay 7.2: Message Bus | 04%

.

Liferay 7.2: Portal Search | 10%

.

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 Back-end Developer as well as the Liferay DXP 7.2 Developer Guide.
  2. Attend the Back-end Developer training course. Attending training is not required before you sit for the exam, but much of the exam material is based on concepts covered in training.
  3. Review the additional source material. Liferay Developer Network is an amazing complementary source of information for the exam.
  4. 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. If you have attended a developer training, be sure you've completed and reviewed all of the exercises presented during class, even the bonus exercises. If you haven't attended training, spend some time developing applications and customizations. It would also be helpful to review Liferay’s source code to ensure you're familiar with Liferay's best practices.
  5. Register.
  6. 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

Verify Certification

Please fill out the form below to verify an individual's completion of an official Liferay Training or Exam.

 
 

Additional Resources for the Exam

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