KCNA Study Plan¶

4-Week Knowledge-Based Study Schedule¶

Week 1: Kubernetes Fundamentals (Core Focus)¶

Day 1-2: Cluster Architecture¶

• Study control plane components (API server, etcd, scheduler, controller manager)
• Study worker node components (kubelet, kube-proxy, container runtime)
• Understand the communication flow between components
• Draw the architecture diagram from memory
• Review Notes: notes/01-kubernetes-fundamentals.md

Day 3-4: Kubernetes Objects and Workloads¶

• Study Pods, Deployments, ReplicaSets, DaemonSets
• Understand StatefulSets and when to use them vs Deployments
• Learn about Jobs and CronJobs
• Study the pod lifecycle and states
• Understand labels, selectors, and annotations

Day 5-6: Services and Networking¶

• Study all Service types (ClusterIP, NodePort, LoadBalancer, ExternalName)
• Understand Kubernetes networking model (flat network, CNI)
• Learn about Ingress resources and controllers
• Study DNS in Kubernetes (CoreDNS)
• Review Notes: notes/02-container-orchestration.md

Day 7: Week 1 Review¶

• Take a practice quiz on Kubernetes fundamentals
• Review any weak areas from the quiz
• Re-draw the architecture diagram and explain each component

Week 2: Containers and Orchestration¶

Day 8-9: Container Fundamentals¶

• Study containers vs virtual machines (key differences)
• Understand container images, layers, and registries
• Learn about container runtimes (containerd, CRI-O)
• Study OCI standards and specifications
• Understand Dockerfile basics and image building

Day 10-11: Orchestration and Scheduling¶

• Study why container orchestration is needed
• Learn about scheduling constraints and node affinity
• Understand resource requests and limits
• Study Horizontal Pod Autoscaler (HPA)
• Learn about rolling updates and rollback strategies

Day 12-13: Storage Concepts¶

• Study Persistent Volumes (PV) and Persistent Volume Claims (PVC)
• Understand StorageClasses and dynamic provisioning
• Learn about volume types (emptyDir, hostPath, configMap, secret)
• Study access modes (ReadWriteOnce, ReadOnlyMany, ReadWriteMany)

Day 14: Week 2 Review¶

• Take a practice quiz covering containers and orchestration
• Review the relationship between orchestration concepts
• Identify any gaps in understanding

Week 3: Cloud Native Ecosystem¶

Day 15-16: Cloud Native Architecture¶

• Study the CNCF Cloud Native Definition
• Learn the 12-factor application methodology
• Understand microservices vs monolithic architecture
• Study declarative configuration and immutable infrastructure
• Review Notes: notes/03-cloud-native-architecture.md

Day 17-18: CNCF Projects and Ecosystem¶

• Study CNCF project maturity levels (Sandbox, Incubating, Graduated)
• Learn key graduated projects and their purposes
• Explore the CNCF Landscape
• Understand service mesh concepts (Istio, Linkerd)
• Study serverless concepts (Knative, CloudEvents)

Day 19-20: Observability¶

• Study the three pillars of observability (metrics, logs, traces)
• Learn Prometheus architecture and concepts
• Understand Fluentd/Fluent Bit for log aggregation
• Study OpenTelemetry and Jaeger for distributed tracing
• Learn Grafana dashboarding basics
• Review Notes: notes/04-observability-and-delivery.md

Day 21: Week 3 Review¶

• Take a practice quiz on cloud native architecture and ecosystem
• Review CNCF terminology using the glossary
• Map CNCF tools to the three pillars of observability

Week 4: Application Delivery and Exam Prep¶

Day 22-23: Application Delivery¶

• Study GitOps principles and workflows
• Learn ArgoCD and Flux concepts
• Understand Helm charts and package management
• Study Kustomize for manifest customization
• Learn CI/CD pipeline concepts and deployment strategies

Day 24-25: Comprehensive Review¶

• Review all four domain areas systematically
• Focus extra time on Kubernetes Fundamentals (46% of exam)
• Create flashcards for key terms and definitions
• Review all notes files

Day 26-27: Practice Exams¶

• Take a full-length practice exam (timed, 90 minutes)
• Review all incorrect answers and understand why
• Identify weak areas and do targeted review
• Take a second practice exam focusing on improvement

Day 28: Pre-Exam Preparation¶

• Light review of key concepts and terminology
• Review CNCF glossary one more time
• Verify exam environment and system requirements
• Rest and mental preparation

Daily Study Routine (1-2 hours/day)¶

Recommended Schedule¶

1. 30 minutes: Read documentation and study materials
2. 30 minutes: Watch video content or read blog posts
3. 30 minutes: Practice questions and self-assessment

Weekend Extended Sessions (3-4 hours)¶

1. 1 hour: Deep dive into a complex topic
2. 1 hour: Practice exams and review
3. 1-2 hours: Hands-on exploration (optional but helpful for understanding)

Study Resources¶

Quick Links¶

• KCNA Exam Page - Registration
• Kubernetes Docs - Official documentation
• CNCF Landscape - Cloud native ecosystem map
• CNCF Glossary - Terminology reference

Practice Platforms¶

• Killer Shell KCNA - Practice exam simulator
• KodeKloud KCNA - Course with practice tests
• Udemy KCNA courses - Multiple options with practice exams
• YouTube - Free KCNA preparation content

Final Exam Checklist¶

One Week Before¶

• Scoring 80%+ consistently on practice exams
• All domain areas reviewed
• Weak areas addressed with additional study
• CNCF terminology memorized

Day Before Exam¶

• Light review of key concepts
• Test exam environment (webcam, microphone, browser)
• Prepare workspace per PSI requirements
• Get adequate rest

Exam Day¶

• Log in 15 minutes early for environment setup
• Read each question fully before answering
• Eliminate obviously wrong answers first
• Flag uncertain questions and return later
• Do not change answers unless you have a clear reason
• Use the full 90 minutes - review flagged questions at the end