Kubernetes Application Developer Practice Exam

A Kubernetes Application Developer is the role which is responsible to build, develop, and deploy applications using Kubernetes for container orchestration. The role involves designing and creating microservices-based applications to scale and run within Kubernetes clusters. The role involves knowledge of Docker and Kubernetes concepts.

Certification in Kubernetes Application Development validates your skills and knowledge in application lifecycle management, networking, persistent storage, and configuration management, as well as integrating applications with the Kubernetes platform.
Why is Kubernetes Application Developer certification important?

• The certification attests to your advanced knowledge of Kubernetes.
• Validates your expertise in Kubernetes application development.
• Provides more opportunities to you for career growth in DevOps roles.
• Command higher salaries with certified expertise.
• Adds credibility for professionals in Kubernetes development related roles

Who should take the Kubernetes Application Developer Exam?

• Kubernetes Application Developer
• Cloud Application Developer
• DevOps Engineer
• Software Engineer (with focus on cloud-native applications)
• Site Reliability Engineer (SRE)
• Microservices Developer
• Cloud Architect (with application focus)
• Platform Engineer
• Full-Stack Developer (with Kubernetes experience)
• Containerization Specialist

Skills Evaluated

Candidates taking the certification exam on the Kubernetes Application Developer is evaluated for the following skills:

• Kubernetes Architecture and Resources: Understanding Kubernetes components such as pods, deployments, namespaces, and services.
• Application Deployment and Management: Proficiency in deploying, scaling, and managing applications within Kubernetes clusters using manifests, Helm charts, and CI/CD pipelines.
• Containerization: Skills in containerizing applications using Docker and deploying them in Kubernetes clusters.
• Networking and Services: Expertise in networking concepts such as services, ingress controllers, DNS, load balancing, and network policies.
• Persistent Storage: Knowledge of managing persistent volumes, volume claims, and storage classes for stateful applications in Kubernetes.
• Configuration Management: Experience with managing configuration settings using ConfigMaps and Secrets.
• Helm: Usage of Helm for managing Kubernetes applications with reusable templates.
• CI/CD Pipelines: Implementing automated build and deployment pipelines with Kubernetes integrations.
• Monitoring and Logging: Understanding of monitoring and logging tools like Prometheus, Grafana, and ELK Stack to monitor application health and performance in Kubernetes.
• Security: Knowledge of securing applications running on Kubernetes using role-based access control (RBAC) and network policies.

Kubernetes Application Developer Certification Course Outline
The course outline for Kubernetes Application Developer certification is as below -

1. Kubernetes Architecture and Core Concepts

• Understanding Pods, Deployments, ReplicaSets, and Namespaces
• Cluster Architecture Overview
• Kubeconfig and Contexts
• Kubernetes API Server, Scheduler, Controller Manager

2. Containerization and Kubernetes Resources

• Containerizing Applications with Docker
• Creating Dockerfiles for Kubernetes Deployment
• Kubernetes Resources: Pods, ReplicaSets, Deployments, and StatefulSets
• Using ConfigMaps and Secrets for Application Configuration

3. Application Deployment and Lifecycle Management

• Deploying Applications with Kubernetes Manifests
• Scaling Applications with Kubernetes
• Rolling Updates and Rollbacks
• Helm Charts for Kubernetes Deployment
• Managing Application Versions

4. Kubernetes Networking

• Creating and Managing Services (ClusterIP, NodePort, LoadBalancer)
• Ingress Controllers and Configurations
• DNS Management and Service Discovery in Kubernetes
• Networking Policies and Security

5. Storage Management

• Working with Persistent Volumes (PVs) and Persistent Volume Claims (PVCs)
• Managing Storage Classes and Dynamic Provisioning
• StatefulSets and Storage for Stateful Applications
• Configuring Network Attached Storage (NAS) with Kubernetes

6. CI/CD Integration with Kubernetes

• Setting up Continuous Integration (CI) for Kubernetes Deployments
• Automating Deployment Pipelines with Jenkins, GitLab CI, or CircleCI
• Integration of Helm and CI/CD for Reusable Kubernetes Deployments
• Automating Testing and Deployment for Cloud-Native Applications

7. Monitoring and Logging in Kubernetes

• Installing and Configuring Prometheus and Grafana for Kubernetes Monitoring
• Setting Up Application Health Checks and Alerts
• Using the ELK Stack for Kubernetes Logging
• Viewing and Analyzing Application Logs using kubectl

8. Kubernetes Security

• Implementing Role-Based Access Control (RBAC)
• Securing Kubernetes Clusters with Network Policies
• Container Image Security and Scanning
• Managing Secrets in Kubernetes for Sensitive Data

9. Application Troubleshooting and Debugging

• Using kubectl for Debugging and Troubleshooting
• Analyzing Application Logs and Metrics
• Handling Application Failures and Downtime
• Working with Kubernetes Events and Error Logs