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Question 1

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A developer needs to create an event listener on a parent component programmaticallv. With the script below, what should replace the text <EVENT LISTENER UNE>?

Question 2

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A developer has the task to create custom Lightning web components (LWCs). Which two steps must a developer take when creating custom LWCs?

Question 3

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Which two event settings are required for a custom event called CustomEvent to fire from the Lightning web component and propagate up to the DOM?

Question 4

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How can a developer establish communication between components that are not in the same DOM (Document Object Model) tree?

Question 5

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Which two guidelines should a developer consider when migrating aura components to LWC?

Question 6

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What are two considerations to keep in mind when including additional JavaScript files in a Lightning web component?

Question 7

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Which wire adapter should a developer use to retrieve metadata about a specific object?

Question 8

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Which code statement should a developer use to import the ID of the current Lightning Experience

Question 9

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Which wire adapter should a developer use to retrieve metadata about a specific picklist?

Question 10

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Which category can receive signaling from a Lightning Message Channel?

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Question 152 - Certified B2B Commerce Developer discussion

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What is the purpose of connectedCallback in a Lightning web component?

A.

It performs actions when a network request is made.

B.

It perform actions when a component makes a call to a Connect APL.

C.

It performs actions when a component is removed from the DOM.

D.

It performs actions when a component is added to the DOM.

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asked 23/09/2024

Olusola Adebayo

44 questions

User

Your answer: A B C D

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