MB-230 Extend Customer Service Practice Question
You are a functional consultant configuring a custom channel in Omnichannel for Customer Service. The channel must display a pre-chat survey that collects the customer's issue category and then, based on the selected category, dynamically show additional questions. Which feature should you use to implement this dynamic behavior in the pre-chat survey?
⚠ Common exam trap
The trap here is assuming that Power Automate or custom code is needed to create dynamic surveys, when the pre-chat survey already provides built-in branching.
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
✓
Pre-chat survey with question branching based on previous answers
The pre-chat survey in Omnichannel for Customer Service includes native branching logic. You can configure questions to appear conditionally based on previous answers, enabling dynamic data collection without custom code. This is the supported and maintainable approach for the described requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Custom JavaScript that manipulates the DOM of the chat widget
Why it's wrong here
Directly manipulating the DOM of the chat widget is unsupported and fragile; Microsoft does not expose the widget's internal DOM for customization. Moreover, this approach would break with updates. The proper method is to use the built-in survey branching capabilities, not client-side scripting that bypasses supported configuration.
- ✗
Adaptive Cards with conditional visibility rules
Why it's wrong here
Adaptive Cards can include conditional visibility, but they are used for rich interactive messages within a conversation, not for the initial pre-chat survey. The pre-chat survey in Omnichannel uses a different configuration mechanism. While Adaptive Cards could theoretically be used in a bot, they are not the standard way to implement a branching pre-chat survey.
- ✗
Pre-chat survey with branching logic using Power Automate
Why it's wrong here
Power Automate can process survey responses after submission, but it cannot dynamically alter the survey questions shown to the customer in real time. The pre-chat survey is rendered by the chat widget, and conditional display of questions must be configured within the survey itself, not via a separate flow. This option misplaces the automation layer.
- ✓
Pre-chat survey with question branching based on previous answers
Why this is correct
The pre-chat survey in Omnichannel for Customer Service supports branching logic, allowing you to show or hide questions based on responses to earlier questions. This is configured directly in the survey designer. It enables dynamic, personalized data collection before the conversation starts, exactly as required for the scenario.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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