Skip to content

Platform Security Questions

Practice questions for Platform Security topic in Kubernetes and Cloud Native Security Associate. 32 questions covering this domain.

32 questions8 easy16 medium8 hard
Q1
medium

A platform team wants a serverless layer for stateless HTTP workloads on Kubernetes that can automatically scale down to zero when idle. Which project...

Q2
medium

Which certificate relationship is used when the API server authenticates to etcd?

Q3
easy

Which Prometheus ecosystem component handles alert deduplication, grouping, routing, silences, and inhibition?

Q4
hard

A cluster administrator is reviewing admission behavior for deployment safety. Which statement is correct?

Q5
medium

Which tool does the Kubernetes project document for verifying signed Kubernetes binaries and images?

Q6
medium

Which mechanism replaces deprecated SSH tunnels for control plane to node communication?

Q7
hard

A RuntimeClass is configured with a scheduling.nodeSelector that targets only hardened nodes. A Pod using that RuntimeClass also sets its own nodeSele...

Q8
easy

How does Prometheus primarily collect metrics from targets?

Q9
medium

Which CNCF policy engine uses Kubernetes-native YAML policies (no Rego) to validate, mutate, and generate resources via a dynamic admission webhook?

Q10
easy

Which Linux kernel feature filters and audits the system calls that a container process is allowed to invoke, and is referenced by the Pod Security St...

Q11
medium

Within Sigstore, which component is the public, append-only transparency log that records signing events for artifacts and attestations?

Q12
hard

An Istio mesh administrator must allow only Pods with ServiceAccount `frontend` in namespace `web` to call the `payments` Service on path `/charge`. W...

Q13
medium

Which CNCF supply-chain framework defines progressively stronger levels (L1 through L3+) for software build integrity and provenance?

Q14
hard

A platform team wants build-time provenance attestations that are signed and verifiable, including who built what from which source. Which CNCF specif...

Q15
medium

An organization wants to enforce mTLS between every workload-to-workload connection without modifying application code. Which cloud native pattern mos...

Q16
easy

Which two Linux subsystems are examples of Mandatory Access Control (MAC) used to confine container processes beyond standard DAC permissions?

Q17
medium

Which statement correctly contrasts AppArmor and SELinux?

Q18
medium

A node must pull private images for static Pods before the API server is reachable. Which approach is most robust?

Q19
hard

Which statement about privileged containers is correct from a platform hardening perspective?

Q20
easy

Which control set is most appropriate as a baseline for namespace-based multi-tenancy?

Sign in to see all 32 questions

Create a free account to browse all questions — completely free during our launch phase.