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Question 1
In an OutSystems 11 Reactive Web App, which screen lifecycle event runs after user permissions are checked but BEFORE the DOM is rendered and before aggregates start fetching data?
Correct Answer:
OnInitialize
Question 2
A developer needs to safely manipulate the DOM or attach behavior to a widget after the screen's HTML has been generated in a Reactive Web App. Which lifecycle event should they use?
Correct Answer:
OnReady
Question 3
Which lifecycle event is available ONLY on Blocks (not on Screens) and runs every time one of the block's input parameters changes value?
Correct Answer:
OnParametersChanged
Question 4
When a Reactive screen contains a block, in what order do the OnInitialize events fire?
Correct Answer:
Screen (parent) first, then block (child)
Question 5
A developer wants to run a client action immediately after a screen aggregate finishes retrieving its data. Which event handler should they assign?
Correct Answer:
OnAfterFetch
Question 1
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About this Exam

Prepare with the OutSystems Front-End Developer Specialist Practice Questions - Front-end Developer Specialist (OutSystems 11) Exam practice quiz. This question bank includes 100 questions covering outsystems, screen, reactive, developer, and block. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OutSystems Front-End Developer Specialist Practice Questions - Front-end Developer Specialist (OutSystems 11) Exam

This practice set contains 100 questions from the matching question bank and focuses on outsystems, screen, reactive, developer, and block. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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