23 Daily — According to the project's description, the open-source repository devops-exercises, created by bregman-arie on October 3, 2019, reached GitHub Trending on October 31, 2026. The repository aggregates 2,624 practical exercises and questions covering various DevOps-related technologies including Linux, Jenkins, AWS, Docker, and Kubernetes. It serves as a systematic practice resource for individuals preparing for DevOps engineering interviews or pursuing a career in this field.
Comprehensive Coverage of Diverse Technologies and Question Types
The question bank spans areas such as Linux system operations, Jenkins continuous integration, AWS cloud services, Docker container technology, Kubernetes cluster management, Python programming, automation tools like Ansible, and infrastructure-as-code with Terraform. It additionally includes topics like Git version control, DNS configuration, virtualization, networking protocols, and databases. The questions vary in format, covering conceptual explanations, practical applications, system architecture understanding, and troubleshooting, catering to learners of different levels. The repository advises users to focus on topics relevant to their career planning.
Sample Technical Topics and Learning Focus
Representative questions include fundamentals of networking such as the role of MAC addresses and their usage, the broadcast MAC address (FF:FF:FF:FF:FF:FF), concepts of IP addresses and subnet masks, as well as when to use private versus public IPs. Another major subject is the detailed explanation of the OSI seven-layer model, describing the responsibility of each layer including Application, Transport, and Network layers along with associated protocols like TCP, UDP, IP, and HTTP. The repository also discusses Ethernet access method CSMA/CD and its status in modern networks, providing foundational insights into communication mechanisms.
Editor's take: Balanced depth and breadth with real-world practice potential, validation methods
With over 2,600 practical exercises spanning core DevOps technologies, this project offers valuable study material for entrepreneurs and team training in the field. Due to the broad scope, users are advised to select focus areas matching their job requirements to avoid overload. To validate usefulness, one can simulate interviews using the question bank or apply the knowledge to solve actual project challenges, assessing growth in technical competence. Community contributions by submitting additional questions and answers promote content freshness and quality. This resource assists in developing a structured DevOps skill set, supporting technical capability enhancement in startup teams.