Kubernetes Objective Questions with Answers & Explanations

This Kubernetes Security quiz contains carefully curated objective questions with correct answers and clear explanations. It is designed for DevOps engineers, platform teams, SREs, and cloud security learners to test your skills across cluster hardening, workload security, identity & access, network policies, secrets management, and modern supply chain security best practices.

Practice Kubernetes MCQs with Detailed Explanations

Answer at least 12 questions to submit.

31.

Which configuration prevents privilege escalation via Linux capabilities?

Medium

Dropping unnecessary capabilities

Adding NET_ADMIN capability

Running as root

Privileged containers

32.

Which security risk is introduced by using the :latest image tag in production?

Medium

Larger image size

Non-reproducible and unverified deployments

Slower scheduling

Increased memory usage

33.

Which control plane endpoint should be restricted to private networks?

High

API server endpoint

Ingress controller

CoreDNS service

kube-proxy metrics

34.

Which mechanism prevents pods from accessing the host IPC namespace?

High

hostIPC: false

shareProcessNamespace: true

privileged: false

readOnlyRootFilesystem: true

35.

Which practice improves detection of compromised workloads?

Medium

Disabling audit logs

Enabling Kubernetes audit logging

Using plaintext secrets

Allowing cluster-admin by default

36.

Which security boundary is most commonly bypassed during container escape exploits?

High

Linux kernel isolation

Service mesh routing

Ingress TLS

RBAC policies

37.

Which configuration limits the set of users a container process can run as?

Medium

runAsUser and runAsGroup

hostNetwork

dnsPolicy

serviceAccountName

38.

Which Kubernetes feature enforces policy decisions at admission time?

Medium

Admission webhooks

kube-proxy

CoreDNS

EndpointSlice

39.

Which practice reduces the attack surface of container images?

Medium

Using minimal base images

Installing debugging tools in prod images

Running as root

Bundling package managers

40.

Which security concern is mitigated by enabling node-level firewall rules?

High

Unauthorized control plane access

Cross-site scripting

SQL injection

Broken authentication

41.

Which setting prevents containers from sharing the host PID namespace?

Medium

hostPID: false

shareProcessNamespace: true

enableServiceLinks: false

dnsPolicy: ClusterFirst

42.

Which approach best secures inter-service traffic inside the cluster?

High

Plaintext HTTP

mTLS between services

NodePort exposure

Public LoadBalancer for all services

43.

Which security measure prevents unauthorized configuration drift?

High

GitOps with policy enforcement

Manual kubectl changes

Cluster-admin for developers

Disabling audits

44.

Which feature restricts pods from mounting arbitrary volumes on the host?

Medium

Pod Security Admission policies

ServiceAccounts

EndpointSlice

Ingress annotations

45.

Which risk is most directly addressed by enabling encryption in transit for etcd communication?

High

Data tampering and eavesdropping

Image vulnerability scanning

Resource exhaustion

Privilege escalation

Practice Kubernetes MCQs with Detailed Explanations

31.

Which configuration prevents privilege escalation via Linux capabilities?

32.

Which security risk is introduced by using the :latest image tag in production?

33.

Which control plane endpoint should be restricted to private networks?

34.

Which mechanism prevents pods from accessing the host IPC namespace?

35.

Which practice improves detection of compromised workloads?

36.

Which security boundary is most commonly bypassed during container escape exploits?

37.

Which configuration limits the set of users a container process can run as?

38.

Which Kubernetes feature enforces policy decisions at admission time?

39.

Which practice reduces the attack surface of container images?

40.

Which security concern is mitigated by enabling node-level firewall rules?

41.

Which setting prevents containers from sharing the host PID namespace?

42.

Which approach best secures inter-service traffic inside the cluster?

43.

Which security measure prevents unauthorized configuration drift?

44.

Which feature restricts pods from mounting arbitrary volumes on the host?

45.

Which risk is most directly addressed by enabling encryption in transit for etcd communication?

Other Objective Questions

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Kubernetes Objective Questions and Answers

Practice Kubernetes MCQs with Detailed Explanations

31.

Which configuration prevents privilege escalation via Linux capabilities?

32.

Which security risk is introduced by using the :latest image tag in production?

33.

Which control plane endpoint should be restricted to private networks?

34.

Which mechanism prevents pods from accessing the host IPC namespace?

35.

Which practice improves detection of compromised workloads?

36.

Which security boundary is most commonly bypassed during container escape exploits?

37.

Which configuration limits the set of users a container process can run as?

38.

Which Kubernetes feature enforces policy decisions at admission time?

39.

Which practice reduces the attack surface of container images?

40.

Which security concern is mitigated by enabling node-level firewall rules?

41.

Which setting prevents containers from sharing the host PID namespace?

42.

Which approach best secures inter-service traffic inside the cluster?

43.

Which security measure prevents unauthorized configuration drift?

44.

Which feature restricts pods from mounting arbitrary volumes on the host?

45.

Which risk is most directly addressed by enabling encryption in transit for etcd communication?

Other Objective Questions