KCNA Cloud Native Application Delivery Practice Question
In a CI pipeline, image scanning is integrated to detect vulnerabilities. What is the best practice when a critical vulnerability is found in a base image?
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
✓
Fail the pipeline and notify the team to fix the base image
The pipeline should fail so that the vulnerability is addressed before deployment, preventing insecure images from reaching production.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Fail the pipeline and notify the team to fix the base image
Why this is correct
Failing the pipeline enforces security.
- ✗
Deploy to production and patch later
Why it's wrong here
Critical vulnerabilities should be fixed before deployment.
- ✗
Automatically patch the image in the pipeline
Why it's wrong here
Automatic patching without review can break functionality.
- ✗
Ignore the vulnerability and proceed with deployment
Why it's wrong here
This allows insecure images into production.
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Same concept, more angles
1 more way this is tested on KCNA
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A CI/CD pipeline includes image scanning. What is the primary security benefit of scanning container images in the CI phase?
medium- A.It reduces the time it takes to build images
- B.It automatically fixes vulnerabilities
- ✓ C.It prevents vulnerable images from being deployed to production
- D.It ensures that the image is built only once
Why C: Scanning images in CI catches vulnerabilities before the image is deployed, preventing vulnerable images from reaching production.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF 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 KCNA exam.