SNOW-CAD Practice Question: Application development using ServiceNow Studio
A large enterprise has multiple scoped applications that share common code. The developer created a shared application as a dependency. However, when updating the shared application, some dependent applications break. The developer needs to manage updates to the shared application without causing disruptions. The environment is under change control and requires approval for any deployment. Which approach is the best practice?
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
✓
Use Semantic Versioning and test before update.
Semantic Versioning allows developers to communicate the nature of changes (major, minor, patch) and test the shared application before updating dependencies, minimizing disruptions. Option B is wrong because creating separate update sets for each dependent application does not address version compatibility or testing. Option C is wrong because using update sets to track changes alone does not manage version compatibility or prevent breaks. Option D is wrong because avoiding shared dependencies leads to code duplication and maintenance overhead, which is not a best practice.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use Semantic Versioning and test before update.
Why this is correct
Correct. Semantic Versioning helps manage breaking changes.
- ✗
Create a separate update set for each dependent application.
Why it's wrong here
Incorrect. This does not address the root cause of incompatibility.
- ✗
Use update sets to track changes to the shared application.
Why it's wrong here
Incorrect. Update sets track changes but not version compatibility.
- ✗
Avoid shared dependencies and duplicate code in each application.
Why it's wrong here
Incorrect. This leads to code duplication and maintenance issues.
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