- A
Trivy
Why wrong: Trivy is primarily a vulnerability scanner, not an SBOM generator. However, it can generate SBOMs in some versions, but the primary tool for SBOM generation is Syft.
- B
Kubesec
Why wrong: Kubesec is a static analysis tool for Kubernetes manifests, not for generating SBOMs.
- C
Checkov
Why wrong: Checkov is a static analysis tool for infrastructure as code, not for SBOM generation.
- D
Syft
Syft is a popular tool for generating SBOMs from container images.
Question 495 of 997
Which Tool Generates SBOMs? Syft vs Trivy
This CKS practice question tests your understanding of supply chain security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are auditing your cluster's supply chain security. You need to generate a Software Bill of Materials (SBOM) for a container image. Which tool should you use?
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
✓
Syft
Syft is a CLI tool specifically designed to generate a Software Bill of Materials (SBOM) from container images and filesystems. It uses a pluggable cataloger engine to extract package metadata (e.g., dpkg, RPM, APK, Python, Java) and outputs the SBOM in standard formats like CycloneDX or SPDX, directly addressing the requirement for supply chain security auditing.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Trivy
Why it's wrong here
Trivy is primarily a vulnerability scanner, not an SBOM generator. However, it can generate SBOMs in some versions, but the primary tool for SBOM generation is Syft.
- ✗
Kubesec
Why it's wrong here
Kubesec is a static analysis tool for Kubernetes manifests, not for generating SBOMs.
- ✗
Checkov
Why it's wrong here
Checkov is a static analysis tool for infrastructure as code, not for SBOM generation.
- ✓
Syft
Why this is correct
Syft is a popular tool for generating SBOMs from container images.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Candidates often confuse vulnerability scanning (Trivy) with SBOM generation (Syft), leading them to choose Trivy because it is more widely known, even though Syft is the dedicated tool for producing a Software Bill of Materials.
Detailed technical explanation
How to think about this question
Syft works by mounting the container image layers and running catalogers that parse package manager databases (e.g., /var/lib/dpkg/status for Debian, /lib/apk/db/installed for Alpine) and language-specific lock files (e.g., package-lock.json, go.sum). It can output SBOMs in CycloneDX JSON/XML or SPDX tag-value formats, which are machine-readable and can be ingested by tools like Grype for vulnerability correlation. In a real-world CI/CD pipeline, Syft is often used to generate an SBOM at build time, which is then signed and stored for attestation.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CKS exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Supply Chain Security — study guide chapter
Learn the concepts, then practise the questions
- →
Supply Chain Security practice questions
Targeted practice on this topic area only
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All CKS questions
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- →
Certified Kubernetes Security Specialist CKS study guide
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CKS practice test guide
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FAQ
Questions learners often ask
What does this CKS question test?
Supply Chain Security — This question tests Supply Chain Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Syft — Syft is a CLI tool specifically designed to generate a Software Bill of Materials (SBOM) from container images and filesystems. It uses a pluggable cataloger engine to extract package metadata (e.g., dpkg, RPM, APK, Python, Java) and outputs the SBOM in standard formats like CycloneDX or SPDX, directly addressing the requirement for supply chain security auditing.
What should I do if I get this CKS question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
This CKS 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 CKS exam.
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