Question 398 of 989
200-901 Infrastructure and Automation Practice Question
In a CI/CD pipeline for network changes, which practice best ensures that a configuration push does not disrupt production traffic?
⚠ Common exam trap
Cisco often tests the misconception that 'push all changes at once' is efficient and safe, but the trap here is that it ignores the principle of incremental risk reduction, which is fundamental to CI/CD best practices for network automation.
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
✓
Canary deployment
Canary deployment is the correct practice because it gradually introduces the configuration change to a small subset of devices or traffic before full rollout. This allows monitoring for adverse effects and automatic rollback if issues arise, minimizing the risk of production disruption. In a CI/CD pipeline for network changes, this approach aligns with incremental validation and risk mitigation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Disable rollback
Why it's wrong here
Rollback should be enabled for safety.
- ✓
Canary deployment
Why this is correct
Canary deployment limits blast radius.
- ✗
Push all changes at once
Why it's wrong here
This is risky and can cause widespread issues.
- ✗
Skip validation
Why it's wrong here
Validation is crucial.
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Last reviewed: Jun 11, 2026
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