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Linux Foundation KCNA Exam Syllabus Topics:

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

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q231-Q236):

NEW QUESTION # 231
You have deployed an application in Kubernetes with a container image that has known vulnerabilities. Which of the following security measures is MOST effective in mitigating the risk of these vulnerabilities?

Answer: C

Explanation:
Using a container security scanner to identify and fix vulnerabilities is the most effective measure for mitigating the risk of known vulnerabilities in your container images. These scanners analyze your images for known security issues and provide recommendations for patching or upgrading them. This helps you proactively address potential vulnerabilities and improve the overall security of your Kubernetes applications.


NEW QUESTION # 232
You are implementing a new security policy for your Kubernetes cluster. The policy requires that all pods running in the cluster must authenticate with a specific identity provider before they are allowed to access any resources. Which Kubernetes component is responsible for enforcing this authentication policy?

Answer: C

Explanation:
The kube-apiserver component acts as the central control plane for Kubernetes. It handles all communication and requests from other components, including authentication and authorization. It enforces security policies by verifying credentials and granting access based on configured rules.


NEW QUESTION # 233
Which is NOT a use case for the Kubernetes dashboard?

Answer: A


NEW QUESTION # 234
You are running a service in Kubernetes that uses a persistent volume. You need to ensure that the volume is automatically cleaned up when the service is deleted. Which of the following approaches would you use?

Answer: B

Explanation:
Setting the 'persistentVolumeReclaimPolicy' to 'Delete' in the PersistentVolumeClaim ensures that the volume is automatically deleted when the PVC is deleted. This is the most straightforward and recommended approach for cleaning up persistent volumes in Kubernetes.


NEW QUESTION # 235
In a cloud native environment, what is OpenTelemetry primarily used for?

Answer: D

Explanation:
OpenTelemetry is an open-source observability framework for generating, collecting, processing, and exporting telemetry data such as traces, metrics, and logs to compatible analysis and monitoring backends.


NEW QUESTION # 236
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