Day 41/40 - CKA Exam Tips - How To Clear The CKA Exam In 2024

About this video

### Final Comprehensive Summary This document consolidates the key takeaways from the CKA 2024 video series by Push, specifically focusing on Video 41, which is designed for last-minute exam preparation. Below is a structured summary of the content: --- #### **Video Overview** - **Position in Series**: This is Video 41 in the CKA 2024 series. - **Purpose**: Aimed at candidates who have completed all prior videos and tasks, this video provides advanced tips, strategies, and sample exam tasks based on Push's recent certification experience. - **Resource Reference**: The video references a GitHub repository for additional practice. --- #### **Content Focus** - **Exam-Centric Tips**: The video emphasizes practical strategies for tackling the CKA exam, including: - Sample exam tasks to simulate real-world scenarios. - Insights into effective time management and task prioritization. --- #### **Exam Preparation Tips** 1. **Discounts**: - Check the Linux Foundation website for exam discounts (up to $400 off) and promotional offers. 2. **Exam Format**: - The exam is online, proctored, and does not require visiting a test center. - Familiarize yourself with the exam guide, ID verification process, and system compatibility checklist. 3. **Practice Platforms**: - Use platforms like Killer.sh (provided post-registration) and KodeKloud.com for simulated exam environments and hands-on practice. --- #### **Exam Day Details** - **Environment**: - The exam runs on an Ubuntu VM with Kubernetes version 1.30 (as of July 2024). - Access to specific Kubernetes documentation is allowed during the exam. - **Shortcuts**: - Learn essential Linux shortcuts (`Ctrl+Shift+C/V` for copy-paste). - Gain proficiency in using the VI editor and bash auto-completion to save time. --- #### **Exam Strategy** 1. **Task Prioritization**: - Start with the easiest tasks to quickly gain points. - Proceed to familiar but time-consuming tasks. - Tackle the most complex tasks last, bookmarking difficult ones for later review if time permits. 2. **Command Efficiency**: - Use pre-configured `kubectl` aliases (`k`) and bash auto-completion to speed up command execution. - Always set the correct Kubernetes context before starting a task. - Prefer imperative commands (e.g., `kubectl run`) over declarative YAML files when possible. 3. **Best Practices**: - Carefully read and follow all instructions, especially in multi-part questions. - Avoid exiting terminals unnecessarily, particularly when logged in as root or SSH’d into nodes. --- #### **Sample Exam Tasks** The video highlights several tasks that mirror the exam format: 1. **Node Counting**: - Count schedulable nodes excluding tainted ones and write the result to a file. 2. **Deployment Scaling**: - Scale a deployment to 4 replicas using either `kubectl edit` or `kubectl scale`. 3. **Additional Scenarios**: - Tasks include creating network policies, performing HCD backups/restores, exposing deployments as NodePort services, monitoring pod logs, and managing RBAC configurations. --- #### **Key Kubernetes Tasks** The document elaborates on a variety of Kubernetes-related tasks that candidates should practice: 1. **Network Policy Creation**: - Create a policy allowing access from `engine expo` in the `dev` namespace to `red spot` in the `test` namespace, specifying a port. 2. **HCD Backup & Restore**: - Perform an HCD backup (including certs and endpoints) and restore it using a `.db` file. 3. **Expose Deployment as NodePort Service**: - Expose a deployment on port 8080. 4. **Pod Log Monitoring**: - Monitor pod logs for the string "error not found" and redirect the output to a file using `kubectl logs` and `grep`. 5. **Pod CPU Utilization**: - Identify pods with the label `ENV=XYZ`, find the one with the highest CPU usage, and redirect its name to a file. 6. **Multi-Container Pod**: - Create a pod with two containers (`redis` and `memcached`) and specify container names. 7. **Edit Running Pod**: - Add an init container with the `busybox` image and a specified command to a running pod. 8. **Cluster Fixing**: - SSH into a worker node, fix an unhealthy cluster, and make changes permanent using `systemctl daemon-reload`. 9. **RBAC Setup**: - Create a ClusterRole, ClusterRoleBinding, and ServiceAccount to allow creating deployments, services, and DaemonSets in the `test`

Course: Certified Kubernetes Administrator Full Course For beginners | CKA 2025

This playlist contains the complete CKA series for beginners, based on the latest 2025 curriculum. It includes 40+ videos with hands-on demos, assignments, and exam-based scenarios. We will cover everything from the basics to the Advanced, including fundamental concepts such as Docker, containers, Docker storage and networking, DNS, etc.