Latest Upload Linux Foundation Valid KCNA Guide Files - Exam Kubernetes and Cloud Native Associate Practice

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Linux Foundation KCNA Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cloud Native Architecture16%- Architecture Concepts
  • 1. Microservices Architecture
  • 2. Elasticity and Resilience
  • 3. Serverless and FaaS
  • 4. Autoscaling (HPA, VPA, Cluster Autoscaler)
- Cloud Native Landscape
  • 1. CNCF Role and Governance
  • 2. CNCF Project Categories (Sandbox, Incubating, Graduated)
- Infrastructure and Practices
  • 1. DevOps Practices and Culture
  • 2. Infrastructure as Code (IaC)
  • 3. Immutable Infrastructure
Topic 2: Cloud Native Observability8%- Monitoring and Metrics
  • 1. Dashboards and Visualization (Grafana)
  • 2. Prometheus and Metrics Collection
- Tracing
  • 1. Distributed Tracing Concepts (OpenTelemetry, Jaeger)
- Logging
  • 1. Centralized Logging (Fluentd, Elasticsearch, Kibana)
  • 2. Kubernetes Logging Architecture
Topic 3: Container Orchestration22%- Container Runtimes
  • 1. Docker, containerd, CRI-O
- Storage
  • 1. Volumes, PersistentVolumes (PV), PersistentVolumeClaims (PVC)
  • 2. Storage Classes and Dynamic Provisioning
- Security
  • 1. Pod Security Standards (Admission Control)
  • 2. Network Policies
  • 3. RBAC (Role-Based Access Control)
- Networking
  • 1. CoreDNS and Service Networking
  • 2. Kubernetes Networking Model
- Service Mesh
  • 1. Sidecar Pattern and Traffic Management
  • 2. Service Mesh Concepts (Istio, Linkerd)
- Orchestration Fundamentals
  • 1. Scheduling and Resource Management
  • 2. Service Discovery and Load Balancing
  • 3. Self-healing and Rolling Updates
Topic 4: Kubernetes Fundamentals46%- Kubernetes Resources
  • 1. Workload Resources (Pods, Deployments, StatefulSets, DaemonSets, ReplicaSets, Jobs, CronJobs)
  • 2. Configuration Resources (ConfigMaps, Secrets)
  • 3. Networking Resources (Services, Ingress)
- Containers
  • 1. Basic kubectl Commands
  • 2. Container Images and Registries
  • 3. Container Runtime Interface (CRI)
- 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
Topic 5: Cloud Native Application Delivery8%- Deployment Strategies
  • 1. Blue/Green, Canary, Rolling Updates
- CI/CD
  • 1. Continuous Integration and Continuous Delivery Pipelines
  • 2. Artifact Management and Image Registries
- GitOps
  • 1. GitOps Principles and Workflow
  • 2. Tools (Argo CD, Flux)

>> Valid KCNA Guide Files <<

Free PDF Quiz Authoritative Linux Foundation - Valid KCNA Guide Files

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q81-Q86):

NEW QUESTION # 81
Which Helm command deletes the release mysql-1234 from the Kubernetes cluster?

Answer: A

Explanation:
The helm uninstall command removes a Helm release from the cluster, deleting all Kubernetes resources that were created as part of the mysql-1234 release.


NEW QUESTION # 82
In distributed system tracing, is the term used to refer to a request as it passes through a single com-ponent of the distributed system?

Answer: A

Explanation:
https://www.splunk.com/en_us/data-insider/what-is-distributed-tracing.html


NEW QUESTION # 83
Which statement is true about the role of etcd in a Kubernetes cluster?

Answer: D

Explanation:
etcd is the distributed key-value store used by Kubernetes to persist cluster configuration, resource definitions, metadata, and the current state of the cluster.


NEW QUESTION # 84
Which of the following best describes the way kubernetes Role-based access control (RBAC) works?

Answer: B

Explanation:
https://kubernetes.io/docs/reference/access-authn-authz/rbac/


NEW QUESTION # 85
Kubernetes Secrets are specifically intended to hold confidential data. Which API object should be used to hold non-confidential data?

Answer: D

Explanation:
In Kubernetes, different API objects are designed for different categories of configuration and operational data. Secrets are used to store sensitive information such as passwords, API tokens, and encryption keys. For data that is not confidential, Kubernetes provides the ConfigMap resource, making option C the correct answer.
ConfigMaps are intended to hold non-sensitive configuration data that applications need at runtime.
Examples include application configuration files, feature flags, environment-specific settings, URLs, port numbers, and command-line arguments. ConfigMaps allow developers to decouple configuration from application code, which aligns with cloud-native and twelve-factor app principles. This separation makes applications more portable, easier to manage, and simpler to update without rebuilding container images.
ConfigMaps can be consumed by Pods in several ways: as environment variables, as command-line arguments, or as files mounted into a container's filesystem. Because they are not designed for confidential data, ConfigMaps store values in plaintext and do not provide encryption by default. This is why sensitive data must always be stored in Secrets instead.
Option A, CNI (Container Network Interface), is a networking specification used to configure Pod networking and is unrelated to data storage. Option B, CSI (Container Storage Interface), is used for integrating external storage systems with Kubernetes and does not store configuration data. Option D, RBAC, defines authorization policies and access controls within the cluster and is not a data storage mechanism.
While both Secrets and ConfigMaps can technically be accessed in similar ways by Pods, Kubernetes clearly distinguishes their intended use cases based on data sensitivity. Using ConfigMaps for non-confidential data improves clarity, security posture, and maintainability of Kubernetes configurations.
Therefore, the correct and verified answer is Option C: ConfigMaps, which are explicitly designed to hold non-confidential configuration data in Kubernetes.


NEW QUESTION # 86
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