KCNA Cloud Native Application Delivery Practice Question
Which THREE of the following are important security practices in a container image CI/CD pipeline?
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
✓
Signing images to ensure integrity
Image scanning, signing, and using minimal base images are key security practices. Hardcoding credentials and running containers as root are anti-patterns.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Hardcoding credentials in the image
Why it's wrong here
Credentials should be injected at runtime or using secrets management.
- ✗
Running containers as root user
Why it's wrong here
Running as root increases security risks; containers should run with least privilege.
- ✓
Signing images to ensure integrity
Why this is correct
Image signing verifies the image was produced by a trusted source.
- ✓
Using minimal base images to reduce attack surface
Why this is correct
Smaller base images have fewer vulnerabilities.
- ✓
Scanning images for vulnerabilities in the CI pipeline
Why this is correct
Image scanning identifies known vulnerabilities before deployment.
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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.