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SNOW-CAD Designing interfaces and user experiences Practice Question

A Service Portal widget uses an AngularJS controller that directly modifies the DOM using jQuery inside the controller. After a platform upgrade, the widget stops working properly. What is the most likely reason?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Direct DOM manipulation conflicts with AngularJS digest cycles

Service Portal's AngularJS-based architecture is moving away from direct DOM manipulation. The correct approach is to use AngularJS data binding. The upgrade may have changed the order of digest cycles, causing inconsistencies.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    jQuery is no longer allowed

    Why it's wrong here

    Incorrect: jQuery is still included.

  • ✓

    Direct DOM manipulation conflicts with AngularJS digest cycles

    Why this is correct

    Correct: After an upgrade, digest cycles may behave differently, causing DOM changes to be overwritten.

  • ✗

    The widget's controller syntax changed

    Why it's wrong here

    Incorrect: Controller syntax remains the same.

  • ✗

    AngularJS was completely removed from the platform

    Why it's wrong here

    Incorrect: AngularJS is still supported with a compatibility layer.

About these practice questions

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This SNOW-CAD practice question is part of Courseiva's free ServiceNow certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SNOW-CAD exam.