Salesforce Interview Questions and Answers in 2020

Salesforce is the fastest-growing Customer Relationship Management (CRM) framework. According to a survey, almost 40% of organizations in the world are using the Salesforce platform. If you are planning a job in the IT sector, then Salesforce is the best option to choose and grow your career. In this blog, you will get all Salesforce Interview Questions and Answers asked in 2020 as well as in previous interviews of different organizations. So, you are in the right place to fulfill your dream job in 2020 and the upcoming years. There are some Salesforce Interview Questions and Answers that will surely help you to get a job in Salesforce.

Salesforce Interview Question and Answers in 2020
Salesforce Interview Question and Answers in 2020

What is the Salesforce Lightning component framework?

Salesforce Lightning components or Aura components framework is a user interface (UI) framework which helps to design highly responsive, dynamic single page application or web applications to mobile and desktop. These components are reusable units to develop web applications.

Read More: What is the Aura components framework?

What is the use of Lightning components Framework in Salesforce?

Lightning components framework or Aura component framework helps to design out-of-the-box components with a rich ecosystem and high performance. It contains Event-Driven architecture as well as cross-browser compatibility. Moreover, these components help to develop highly responsive web apps or single-page applications on the Salesforce platform.

What are the components in Salesforce Lightning?

Components are defined as a piece of code or building blocks of the page with reusable units that help to develop the web application with high responsiveness.

What is the name of a framework which Salesforce Lightning supports?

Salesforce Lightning supports the Aura components framework.

How many types of Events available in Salesforce Lightning?

There are two types of Events available in Salesforce Lightning.

  • Component Event- The scope of this event is within itself or the parent components of the event.
  • Application Event- The scope of this event is handled by all components of the event that are subscribed for this event. These events are the traditional public subscribe model.

What are the basic differences between Application Event and Component Event?

Component Event Application Event
It is Used to communicate between parent and child. A change in a child component can be communicated to the parent component through the component event. It is used to communicate any change in the component to a broader audience. Any component who has registered for the event will get notified.
The scope of this event is within itself or parent components of the event. The scope of this event is handled by all components of the subscribed event.
It uses bubbling and capturing the same used in DOM events. It doesn’t use bubbling and capturing.

What is Aura?

Aura is a user interface (UI) framework to develop high responsive single web page application for mobile as well as desktop users on the Salesforce Lightning platform.

What is the full form of SLDS in Lightning?

SLDS stands for Salesforce Lightning Design System.

What is Lightning Bundle in Salesforce?

The lightning bundle contains Components, Controllers, Helper, Style, Documentation, Rerender, SVG inside it as a bundle to develop the web applications.

Do we require creating a custom domain for designing the Lightning components in Salesforce?

Yes, we need to create a custom domain to design the lightning components. A custom domain helps us to make our organization more secure while authentication.

Do we require creating a custom namespace for designing the lightning components in Salesforce?

No, it is not mandatory to create a custom namespace but if there is a need then we can create namespaces also.

Define Salesforce Lightning Experience?

Lightning Experience is a modern UI that helps your sales reps sell faster and service reps support users more productively. It includes various modern features entirely redesigned pages. However, not every Salesforce feature is supported in the Lightning Experience.

What is the basic difference between Visualforce components and lightning components?

Visualforce components are page-centric and most of the work is done on the server-side while lightning components are designed from the components and most of the work is done from the client-side.

Further, lightning components help to design more dynamic and user-friendly web applications in comparison to visualforce components.

Define the lightning connect?

Lightning connect helps you seamlessly access the data from the third party or external sources as well as Salesforce also. Lightning Connects enables your users to view and search records that are stored outside the Salesforce such as data stored in an ERP. Further, you can fetch real-time data from the legacy system like SAP, Microsoft, Oracle, etc without making a copy of data in Salesforce.

What is the full form of ERP and CRM?

  • ERP stands for Enterprise Resource Planning.
  • CRM stands for Customer Relationship Management.

What is OData in Salesforce?

Lightning connects helps to access data from external sources. Hence, to connect to an external data source, Lightning connect uses the Open Data Protocol or OData in Salesforce.

What is the use of lightning in Salesforce?

There are so many uses of lightning in Salesforce and these are as follows

  • To build high responsive web applications as well as single-page applications for mobile as well as desktop users.
  • It provides a client-server UI framework that accelerated the development as well as performance.
  • It is ideal for Salesforce mobile app and Salesforce Lightning Experience.
  • It provides cross-browser compatibility which means you can use any browser.

What is Aura and why we use the aura: namespace in the coding?

Aura is an open-source UI framework to develop and design a dynamic web application with high responsiveness for mobile as well as desktop devices.

Aura provides the long-lived life-cycle to support app builders’ growth. Further, Aura supports partitioned multi-tier component development that adjoins the client and server. It uses JavaScript (JS) on the client-side and Java on the server-side.

Is Lightning Components replacing the Visualforce?

No, lightning components are not replacing the Visualforce.

Visualforce is still supported by the Salesforce platform itself.

What is the limit of using components in any application?

No, there is no certain limit governed by Salesforce for using components in any application.

Can we include one lightning component to another?

Yes, we can include one lightning component to another lightning component.

 

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