easyMultiple Choice
CKS The purpose of the CIS Kubernetes Benchmark? Practice Question
What is the purpose of the CIS Kubernetes Benchmark?
⚠ Common exam trap
Candidates often confuse the CIS Benchmark with a performance or automation tool, because 'benchmark' often implies performance testing in other contexts, but in Kubernetes security, it strictly refers to a compliance and hardening standard.
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
✓
To provide a set of security best practices for Kubernetes
The CIS Kubernetes Benchmark is a set of security best practices developed by the Center for Internet Security (CIS) specifically for hardening Kubernetes clusters. It provides prescriptive guidance on configuring cluster components (e.g., kube-apiserver, kubelet, etcd) to reduce the attack surface and meet compliance standards. Option A correctly identifies this purpose, as the benchmark is not about performance, networking, or automation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
To provide a set of security best practices for Kubernetes
Why this is correct
The CIS Kubernetes Benchmark is a consensus-based, expert-reviewed document that defines specific security configuration checks and hardening recommendations for Kubernetes components such as the API server, etcd, kubelet, and controller manager. It gives operators a concrete, auditable checklist to reduce attack surface and align cluster configuration with established security best practices, which is exactly its stated purpose.
- ✗
To benchmark performance of Kubernetes clusters
Why it's wrong here
The CIS Kubernetes Benchmark is entirely focused on security posture, not on measuring how fast a cluster can schedule pods, serve API requests, or scale workloads. Performance benchmarking would involve synthetic load tools, latency/throughput metrics, and capacity planning—none of which appear in the benchmark's checks, which instead inspect configuration files, permissions, and runtime flags.
- ✗
To test network policies
Why it's wrong here
The benchmark does not limit itself to network policies; it spans ten+ categories that include control plane node configuration, authentication/authorization, RBAC, secrets management, pod security standards, and logging. Although network policy configuration is one of the checks, the document's intent is a broad security baseline, not a network policy testing suite or traffic rule validator.
- ✗
To automate deployment of Kubernetes clusters
Why it's wrong here
The CIS Kubernetes Benchmark is a reference for evaluating an already deployed cluster's configuration; it does not install, provision, or orchestrate Kubernetes clusters. Deployment automation is handled by tools like kubeadm, Terraform, or cloud provider installers, whereas the benchmark merely provides a set of checks and remediation steps for security hardening after installation.
Go deeper
Related to this question
About these practice questions
Courseiva writes every CKS question from scratch — 845 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 →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.