Infosys Certified Salesforce Lightning Web Components Developer Certification
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Join Premium10 Infosys Certified Salesforce Lightning Web Components Developer Certification practice questions with answers
Real Lex exam-pattern multiple-choice questions for the Infosys Certified Salesforce Lightning Web Components Developer Certification certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
Which one of the following is the base class for the Lightning Web Components JavaScript class?
- ✓
Lightning Component
Correct - B
Lightning Element
- C
lwc
- D
LightningClass
- ✓
- Question 2
LWC Framework includes
- ✓
Templates
Correct - B
Security
- C
Lightning Data Service
- D
Base Lightning Components
- ✓
- Question 3
Sam has created a Lightning Web Component. He has written the following code in the .js-meta.xml file.
<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">
<apiVersion>52.0</apiVersion>
<isExposed>false</isExposed>
<targets>
<target>lightning__HomePage</target>
<target>lightning__AppPage</target>
<target>lightning__RecordPage</target>
</targets>
</LightningComponentBundle>
Where can he add this component?- ✓
App Page
Correct - B
Home Page
- C
Record Page
- D
None of the above
- ✓
- Question 4
What are the maximum no of components that we can include in an LWC
- ✓
6.0
Correct - B
25.0
- C
50.0
- D
No Limit
- ✓
- Question 5
Which of the following is used to load UI when the Javascript that defined it instantiate?
- ✓
Custom Element
Correct - B
Templates
- C
Shadow DOM
- D
None of the above
- ✓
- Question 6
Which framework is used for LWC testing?
- ✓
Jasmine Framework
Correct - B
Jest Framework
- C
Karma
- D
Apex Unit Testing
- ✓
- Question 7
Which of the following is not a valid method of lightning/uiRecordApi
- ✓
deleteRecord
Correct - B
getRecord
- C
createRecord
- D
upsertRecord
- ✓
- Question 8
How can we get the id of the record from on the record Detail page in lwc component?
- ✓
$recordId
Correct - B
force:hasRecordId
- C
Import { recordId } from ‘lightning/uiRecordApi’;
- D
@api recordId
- ✓
- Question 9
How many minimum number of components are mandatory in lwc
- ✓
1.0
Correct - B
2.0
- C
3.0
- D
4.0
- ✓
- Question 10
Will below code compile ?
export default class someClass extends LightningElement
{
const someVar ='someValue';
}- ✓
True
Correct - B
False
- ✓
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