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Free PDII – Salesforce Certified Platform Developer II (PDII) Practice Test Question

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Showing 4–6 of 20 questions

Question 4

Which two scenarios require an Apex method to be called imperatively from a Lightning web component?

Choose 2 answers

Select all that apply, then click Submit answer.

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    Calling a method that makes a web service callout
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    Calling a method that is not annotated with cacheable=true
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    Calling a method with the click of a button
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    Calling a method that is external to the main controller for the Lightning web component
Question 5

Which three approaches should a developer implement to obtain the best performance for data retrieval when building a Lightning web component? (Choose three.)

Select all that apply, then click Submit answer.

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    Use (Cacheable=true) whenever possible.
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    Use the Lightning Data Service.
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    Use layoutTypes: [‘Full’] to display a set of fields.
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    Use lazy load for occasionally accessed data.
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    Use getRecordUi to obtain metadata.
Question 6

What are three reasons that a developer should write Jest tests for Lightning web components?

Choose 3 answers

Select all that apply, then click Submit answer.

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    To test basic user interaction
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    To verify that events fire when expected
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    To test how multiple components work together
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    To verify the DOM output of a component
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    To test a component's non-public properties