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Linux Foundation KCNA Exam Syllabus Topics:

SectionWeightObjectives
Container Orchestration22%- Service Mesh
  • 1. Sidecar Pattern and Traffic Management
  • 2. Service Mesh Concepts (Istio, Linkerd)
- Security
  • 1. RBAC (Role-Based Access Control)
  • 2. Network Policies
  • 3. Pod Security Standards (Admission Control)
- Orchestration Fundamentals
  • 1. Self-healing and Rolling Updates
  • 2. Scheduling and Resource Management
  • 3. Service Discovery and Load Balancing
- Container Runtimes
  • 1. Docker, containerd, CRI-O
- Storage
  • 1. Storage Classes and Dynamic Provisioning
  • 2. Volumes, PersistentVolumes (PV), PersistentVolumeClaims (PVC)
- Networking
  • 1. CoreDNS and Service Networking
  • 2. Kubernetes Networking Model
Cloud Native Architecture16%- Infrastructure and Practices
  • 1. Immutable Infrastructure
  • 2. Infrastructure as Code (IaC)
  • 3. DevOps Practices and Culture
- Architecture Concepts
  • 1. Microservices Architecture
  • 2. Autoscaling (HPA, VPA, Cluster Autoscaler)
  • 3. Elasticity and Resilience
  • 4. Serverless and FaaS
- Cloud Native Landscape
  • 1. CNCF Project Categories (Sandbox, Incubating, Graduated)
  • 2. CNCF Role and Governance
Cloud Native Application Delivery8%- GitOps
  • 1. GitOps Principles and Workflow
  • 2. Tools (Argo CD, Flux)
- Deployment Strategies
  • 1. Blue/Green, Canary, Rolling Updates
- CI/CD
  • 1. Artifact Management and Image Registries
  • 2. Continuous Integration and Continuous Delivery Pipelines
Cloud Native Observability8%- Tracing
  • 1. Distributed Tracing Concepts (OpenTelemetry, Jaeger)
- Monitoring and Metrics
  • 1. Prometheus and Metrics Collection
  • 2. Dashboards and Visualization (Grafana)
- Logging
  • 1. Kubernetes Logging Architecture
  • 2. Centralized Logging (Fluentd, Elasticsearch, Kibana)
Kubernetes Fundamentals46%- Kubernetes Resources
  • 1. Networking Resources (Services, Ingress)
  • 2. Workload Resources (Pods, Deployments, StatefulSets, DaemonSets, ReplicaSets, Jobs, CronJobs)
  • 3. Configuration Resources (ConfigMaps, Secrets)
- Containers
  • 1. Basic kubectl Commands
  • 2. Container Runtime Interface (CRI)
  • 3. Container Images and Registries
- Kubernetes API
  • 1. API Resource Structure and Versioning
  • 2. Declarative Management (Manifests/YAML)
- Kubernetes Architecture
  • 1. Worker Node Components (Kubelet, Kube-proxy, Container Runtime)
  • 2. Control Plane Components (API Server, etcd, Scheduler, Controller Manager)
- Scheduling
  • 1. Resource Requests and Limits
  • 2. Taints and Tolerations
  • 3. Node Selection and Affinity

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q192-Q197):

NEW QUESTION # 192
Which statement about Ingress is correct?

Answer: A


NEW QUESTION # 193
What default level of protection is applied to the data in Secrets in the Kubernetes API?

Answer: C


NEW QUESTION # 194
The Kubernetes project work is carried primarily by SIGs. What does SIG stand for?

Answer: A


NEW QUESTION # 195
You have a critical application that must always be running on a specific node for high availability purposes. Which of the following Kubernetes features can be used to enforce this requirement?

Answer: A,E

Explanation:
You can use both •nodeAffinity• and •taints and tolerationS to enforce scheduling on a specific node: •nodeAffinity•: Define a strong preference for scheduling on the desired node using 'requiredDuringSchedulinglgnoredDuringExecution'. This ensures that the pod is scheduled on the target node initially. *Taints and TolerationS: You can taint the desired node with a specific key-value pair. Then, configure the pod to tolerate that specific taint. This ensures that the pod can only be scheduled on the node that has that taint applied. While 'podAffinity• can be used for grouping pods together, it does not directly enforce scheduling on a specific node. •nodeAntiAffinity• and •podAntiAffinity• are used to prevent pods from being scheduled on the same or similar nodes, not to force them onto specific node.


NEW QUESTION # 196
Which is NOT a use case for the Kubernetes dashboard?

Answer: B


NEW QUESTION # 197
......

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