SNOW-CAD Designing interfaces and user experiences Practice Question
Exhibit
<uipolicy name="hide_field" table="incident" condition="current.state==1" order="10" active="true"> <uipolicyaction name="action1" action="setVisible" fieldname="assigned_to" visible="false"/> </uipolicy>
Refer to the exhibit. A UI Policy is defined on the Incident table. When will the 'assigned_to' field be hidden?
⚠ Common exam trap
Many candidates confuse UI Policies with Business Rules or ACLs, assuming the condition applies server-side or that the field is hidden permanently, when in fact UI Policies are client-side and only apply while the condition is true on the form.
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
✓
When the incident state is 1.
The UI Policy in the exhibit is configured with a condition that hides the 'assigned_to' field when the 'state' field equals 1 (typically 'New'). UI Policies run client-side and evaluate the condition in real time; when the condition is true, the field is hidden. The exhibit shows the condition 'state = 1' with the 'Hidden' attribute checked, so the field is hidden only when the incident state is 1.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
When the incident state is 1.
Why this is correct
The condition checks if current.state equals 1.
- ✗
Never.
Why it's wrong here
It will trigger when state==1, so it is not never.
- ✗
Always.
Why it's wrong here
The condition restricts the policy to when state==1 only.
- ✗
When the incident state is not 1.
Why it's wrong here
The condition is equality, so it only triggers when state is 1, not when it's not 1.
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