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.
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.)
E. notify Answer: A, C and D
A fragment module works in the following phase of the Module Lifecycle:
D. Starting Answer: A
The recommended location to declare an entity to be used by Liferay Service Builder is:
D. service.xml Answer: D
Each topic will be a percentage of the test below.
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.
多个商店 — 一个账号可以管理多个商店。
多站点目录 — 支持多站点、多目录的商务模型。
访问权 — 跨站点共享公用用户角色和权限。
客户结账 — 买家无创建账户即可进行购买。
内容丰富产品页面 — 提供其他信息，例如详细的折扣信息、产品规格以及相关的指南或手册。
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.
产品类型 — 销售实体产品、订购类产品、服务、产品Bundle和数字化商品。
产品选项 — 通过如颜色或大小等变量创建简单和分组产品。
附件 — 在产品页面上添加可下载的产品概览、用户指南和文章。
预览和样例 — 为数字化商品启用预览或样例。
Liferay Frameworks expand the capabilities of your implementations.
Extending and customizing Liferay Portal for your own needs.
结账页面 — 显示订单信息如日期、付款方式、合计和客户账户信息。
清空购物车 — 从购物车中清空的单个或所有商品。
验证购物车信息 — 需要客户信息如名称和送货地址，如果使用无效信息，则显示消息错误。
订单概要 — 显示订单总额、产品图片、产品数量、总成本和付款方式。
备注 — 允许客户服务代表为订单添加私人备注。
确认 — 在购买流程完成后，自定义订单确认信息。
Upgrading from Liferay 6.X involves moving from plugins to Liferay modules.
账户组 — 为每个分组创建用户分组和目标价目表、折扣或促销。
合同价格 — 将合同定价应用于单个客户或具有价目表的账户。
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.