Certification

Back-End Developer 7.0
Certification

Put your developer skills to the test with Liferay DXP 7.0 questions on topics including basic development concepts, portlet modules, services, and frameworks.

90 Min | 50 Questions | 200 USD

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Get Prepared for the Exam

Liferay University

Exam Blueprint

90 Minutes

50 Questions

80% Passing Score

Example Test Questions

All questions are based on Liferay best practices when developing for Liferay DXP.
Unless other otherwise indicated in the question, assume a new Liferay installation with no additional plugins installed and no modifications to portal properties.

The Liferay Platform only supports configuration through the portal-ext.properties file.
True
False
Answer: False
Using Declarative Services, the following properties are defined in the property attribute of the @Component:
(Please select all correct answers.)
A. If the portlet is instanceable
B. If the portlet appears in the "Sample" Display Category
C. If the portlet can be displayed in Liferay Portal 6.2
D. If the portlet has a Language.properties file
Answer: A, C, and D
The standard methods of the portlet lifecycle in the JSR-286 portlet specification include:
(Please select all correct answers.)
A. init
B. service
C. render
D. destroy
E. notify
Answer: A, C and D
A fragment module works in the following phase of the Module Lifecycle:
A. Resolved
B. Active
C. Installed
D. Starting
Answer: A
The recommended location to declare an entity to be used by Liferay Service Builder is:
A. EntityImpl.java
B. entity.xml
C. portal_entity.ftl
D. service.xml
Answer: D

Topics:

Each topic will be a percentage of the test below.

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Site and Content Management

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 — Manage multiple store sites from one account.

Multi-Site Catalogs — Support multi-site, multi-catalog commerce models.

Access Rights — Share common user roles and permissions across sites.

Guest Checkout — Allow buyers to make purchases without requiring them to have an account.

Content-Rich Product Pages — Offer additional information such as detailed discount information, product specifications, and related guides or brochures.

Catalog 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.

Product Types — Sell physical products, subscription-based products, services and digital goods.

Product Options — Create simple and grouped products with variations such as color or size.

Attachments — Add downloadable product datasheets, user guides and articles to product pages.

Previews and Samples — Enable previews or samples for digital goods.

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Catalog and Product Browsing

Liferay Frameworks expand the capabilities of your implementations.

Page Builder — Drag-and-drop page creation with dozens of applications out of the box.

Elasticsearch — Offer faceted search and filtering for more effective product browsing and discovery. Learn about Liferay Enterprise Search

Content-Based Product Recommendations — Automatically recommend related products based on product content such as specifications, description and categorization.

User-Based Product Recommendations — Encourage cross-selling by automatically recommending products that other customers bought, based on the product that a customer is currently viewing.

Also-Bought Product Recommendations — Offer more personalized recommendations by showing customers what other customers who are similar to them also bought.

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Checkout

Extending and customizing Liferay Portal for your own needs.

Checkout Page — Display order information such as date, payment method, total and customer account information.

Clear Cart — Clear individual or all items from cart.

Cart Validation — Require customer information such as name and shipping address, and display an error message if invalid information is used.

Order Summary — Display order summary with order total, product image, product amounts, total cost and payment method.

Notes — Allow customer service representatives to add private notes to orders.

Confirmations — Customize the order confirmation message once the purchase is processed.

Authentication

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Pricing and Discounts

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

Account Groups — Create account groups and target price lists, discounts or promotions to each group.

Contract Pricing — Apply contract pricing to individual customers or accounts with price lists.

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:

This exam is based off of the Liferay Training course Back-End Developer.
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.
Review additional source material. Liferay Developer Network is an amazing complementary source of information for the exam.
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.
Register.
Show up to the testing center with the required identification and take the 90-minute exam.