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200-901 Practice Question: A network automation team uses a CI/CD pipeline

A network automation team uses a CI/CD pipeline. Which practice best ensures that configuration changes are validated before deployment to production?

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

✓

Deploying to a staging environment that mirrors production

Deploying to a staging environment that mirrors production allows comprehensive testing without risk. This is a key DevOps 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.

  • ✗

    Automated unit tests that verify syntax of configuration files

    Why it's wrong here

    Unit tests are useful but do not catch integration or environment-specific issues.

  • ✗

    Peer review of code only

    Why it's wrong here

    Peer review catches many issues but does not substitute for functional testing in a real environment.

  • ✗

    Manual testing by the network engineer after deployment

    Why it's wrong here

    Testing after deployment in production is risky and defeats the purpose of CI/CD validation.

  • ✓

    Deploying to a staging environment that mirrors production

    Why this is correct

    A staging environment allows safe validation of changes under realistic conditions before production deployment.

About these practice questions

Courseiva writes every 200-901 question from scratch — 989 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This 200-901 practice question is part of Courseiva's free Cisco 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 200-901 exam.