This particular tutorial provides often asked Salesforce Lightning interview questions and answers with explanations to assist you get ready for the interview:
Salesforce is doing good, even throughout the time of the pandemic. The Salesforce designers are a lot in need for clients all around the world. When you would like to show up for an interview, you have to get in front of the others in the learning curve.
In this particular tutorial, we want to discuss on the list of crucial features of Salesforce that’s the Lightning platform.
We’ve discussed several essential things like interfaces, component bundles, the inclusion of Aura components to Visualforce web pages, along with lots of more in this document.
Frequently Asked Salesforce Lightning Interview Questions
Q #1) What’s Lightning in Salesforce?
Answer: Lightning is a set of technology and programs for any kind of Salesforce platform.
Q #2) What exactly are the parts in the Lightning component framework?
Answer: The components serve as practical units of the Lightning component framework. A reusable, modular section of UI is encapsulated in the components. They could vary from one line of text as much as the whole application in terminology of granularity.
Q #3) Where to work with Lightning Components?
Answer: The Lightning pieces will be utilized in the following ways:
Drag-and-drop elements are intended for the Lightning App Builder and Community Builder.
Add Lightning Components for Lightning Pages.
Add Lightning Components for Lightning Experience Record Pages.
Launch a Quick action Lightning Component.
Overrule the Lightning Component’s basic actions.
Create customized applications
Q #4) What exactly are the parts bundles utilized in the Lightning component?
Answer: The component bundles are enlisted in the below table:
Q #5) How does Salesforce one Mobile app make use of Lightning components?
Answer: We 1st develop a Lightning tab for the Lightning component and consequently add the tab in the navigation select list of Salesforce one mobile app after which the recently created tab to it.
Q #6) Can a Lightning component be utilized that succeeds with both interfaces – Mobile and Desktop?
Answer: It’s likely to make use of Lightning components, Salesforce one mobile app, custom standalone apps right in Lightning Experience in addition to template based communities. Lightning pieces are utilized in the Visualforce page, to be used in Salesforce Visualforce communities along with the traditional atmosphere.
Q #7) Does Lightning Component work with Visualforce?
Answer: Yes, it can use Visualforce.
Q #8) Can Lightning be considered an MVC framework?
Answer: Not actually. Lightning is a framework dependent on components.
Q #9) Which Lightning components parts are server side and which ones are client side?
Answer: For the Lightning component, the client side will be the component page acting as a JavaScript controller, on the contrary, the server side acts as an Apex Controller.
Q #10) What exactly are the differences between Visualforce and Lightning components?
Answer: Visualforce elements are page centric and effort is largely server based. Lightning pieces, on the opposite hand, are client side centric which accounts for their powerful, mobile friendly nature.
Q #11) The best way to add Aura elements to the Visualforce page of yours?
Answer: The creator is able to lend the Aura elements on the Visualforce site in the following 3 ways:
Make use of the component and include the Lightning component for the Visualforce JavaScript library applied to the Visualforce page of yours.
Make a reference to some Lightning app for declaring component dependencies.
Make use of the $Lightning.createComponent() to produce the component for a site by composing a JavaScript function
Q #12) Can we develop a single part for inheriting style/CSS from the parent or maybe we have to constantly define it in the Salesforce component?
Answer: Of course, we are able to accomplish this. The types may be passed down from parents and not always identified in the component.
Q #13) What’s the objective of using Aura: technique Tag in Lightning?
Answer: The Aura: technique tag is often utilized for determining a way for component API. So, there’s simply no requirement to fire and also withstand a component event, which lets us immediately invoke the technique in the component’s controller on the client side. It can also help to streamline the code necessary for a parent element to call a way on a kid component which forms a component of the parent component.
Q #14) Can it be easy to add a Lightning component into another?
Answer: Yes, it’s likely.
Q #15) What exactly are the limits on the number of components applied to an application?
Answer: There aren’t any boundaries on the use number of the components applied to an application.
Q #16) What exactly are Aura Components? Precisely why we utilize Aura: Namespace in the code?
Answer: Aura elements will be the reusable and self-contained units of an app. Components create the function units of Aura. Aura is the open source technological innovation which works for Lightning components. The building blocks for the Aura: namespace helps you to determine the pieces & applications.
Q #17) Are available any CSS (styles) provided by Salesforce.com for Supported Lightning Components?
Answer: Yes, this’s obtainable in Salesforce Lightning Design System.
Q #18) Are Lightning components meant just for mobile apps?
Answer: With a responsive design in mind, Lightning components are intended to be mobile first. The parts help create responsive apps quicker for desktops, tablets, and mobile.
Q #19) Can it be easy to include outside JavaScript/CSS libraries in components?
Answer: Yes, numerous libraries may be used like JavaScript/CSS libraries, jQuery, Bootstrap, etc from a neighborhood, fixed resource.
Q #20) Can it be possible to integrate lightning parts with a framework like Angular?
Answer: It’s possible to place the third party code in a Visualforce page. Precisely the same Visualforce page will be put within a Lightning component. Then the exact same Lightning Component is utilized in another Lightning component which works for numerous environments.
Q #21) Will you develop an App Bundle originally to produce a Lightning component?
Answer: Not necessarily, nonetheless, the component bundle may be created first.
Q #22) Can it be easy to deploy parts in the creation org?
Answer: Yes, deployment of components is achievable in the production with the following:
Managed packages Force.com IDE
Force.com
Replace sets
Migration Tool
Q #23) How you can make customized Lightning record pages in Salesforce with Lightning Experience? Are you able to perform the exact same for Salesforce mobile app?
Answer: Add, take out, or maybe you are able to also reorder parts on a record page for a customized view of object’s documents with the assistance of Lightning App Builder.
Indeed, it’s likewise easy to personalize a record web page and assign it with the Lightning apps. The drivers are able to use a customized report page for the context of the app they’re doing.
Q #24) Are there any choices for Lightning Record Page Assignment?
Answer: It may be assigned in ways that are different, such as:
Org default
App Default (overrides the project in the org level) App Record Type Profile (overrides the assignment at the org and also app level).
Q #25) The best way to produce a customized Lightning Record Page?
Answer: We are able to create it with the next steps:
Setup-> App Builder in Quick Find Box > Select Lightning App Builder > New > Record Page > Name the page as Select Opportunity > Choose Header, Sub header, Right Sidebar template and Click Finish.