DEV-450 Lightning Practice Questions
The free DEV-450: Salesforce Certified Platform Developer I (SU18) questions that deal with lightning, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #1
When developing a custom Lightning component, which lifecycle hook is invoked first?
Correct answer: B
Explanation
The init lifecycle hook is invoked when a component is initialized and is the first lifecycle hook called.
Question #10
In a Lightning App, which component lifecycle method is primarily used for initializing data?
Correct answer: C
Explanation
The doInit method is called during the component's initialization phase and is often used to load data when the component is generated.
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