Real-world preparation! Complete mastery of DevOps interviews - Basics

We introduce a DevOps lecture based on practical cases experienced directly on the front lines of Silicon Valley. This lecture does not just stick to theory, but covers CI/CD related tools in a K8S environment that can be applied directly to actual engineering sites.

DevOps Interview Preparation: Master your interview preparation for Cloud, CI/CD, Infrastructure as Code, Monitoring, Linux, Docker, and Kubernetes.

We introduce a DevOps lecture based on practical cases experienced directly on the front lines of Silicon Valley. This lecture does not just stop at theory, but covers CI/CD related tools in an EKS environment that can be applied directly in the actual engineering field.

DevOps Interview Preparation: Master your interview preparation for Cloud, CI/CD, Infrastructure as Code, Monitoring, Linux, Docker, and Kubernetes.

This course is for those who are curious about what the phrase “DevOps is a culture!” that they hear so often at DevOps conferences means. It covers the overall aspects of the three major elements of DevOps: People, Process & Technology, and also shows you how to implement them in practice.

This lecture provides a general guide on how to prepare while studying when you want to choose a career in IT security penetration testing, and what questions and answers to prepare for the interview. I will share my experience working as a penetration testing consultant, at large companies, and in the financial sector, and currently running a penetration testing consulting business.

Analysis of CS major interview questions [Operating system/data structure/algorithm/database/network]!

This course carefully selects only the essential Java core concepts you must know for practical work and interviews, covering everything from object-oriented programming to collections, multithreading, and modern Java all in one comprehensive package. Going beyond basic syntax, it explains advanced concepts that make the difference in interviews through diagrams and examples in an easy-to-understand way, organized with slides for quick review at a glance. If you want to systematically organize Java core concepts, start right now.

This is a course where you can experience a comprehensive list of questions and answer directions for technical interviews and personality interviews. In particular, the course is structured to help you prepare for interviews by learning through questions and answers about server scaling strategies and large-scale data processing strategies that junior-level candidates must know for technical interviews, as well as how to provide the best answers to questions without definitive answers that you encounter in final interviews.

Learn cloud infrastructure automation technology using AWS and Terraform, and practice efficient infrastructure management and deployment. Manage AWS resources as code through Terraform, and learn how to deploy consistent infrastructure across various environments.

This is an introductory course that organizes the most frequently appearing database concepts in interviews and practical work with a flow-centered + diagram-centered approach. From basic SQL syntax to normalization, transactions, indexes, sharding/partitioning, and security, it structurally connects and explains complex DB concepts with real examples. At the end, an interview practice chapter is included, so you can confidently answer questions like "What is a transaction?" and "When do you use indexes?"

Through this lecture, students will be able to learn the basic and post-processing technology flow of semiconductors, and will be able to learn the content necessary to prepare for interviews at post-processing semiconductor companies.

This is a [Backend, Resume Enhancement] class prepared for job seekers and junior developers.

This is not a lecture that simply memorizes commands. It's a practical introductory course that helps you intuitively understand the 'flow' of technology - why containers emerged, how Docker creates and runs images based on what principles. Even if you're encountering Docker for the first time, after taking this course, you'll be able to explain "why containers are a necessary technology" on your own.

You can learn about IAM, the foundation of AWS Zero Trust, from the basics to the details. This will help you understand what parts are actually vulnerable and where you need to pay more attention.

Learn from the beginning how to set up a development environment that even an ordinary office worker can easily understand. It is practice-oriented and focuses on students learning various development tools such as Vim, VS Code, Git, Docker, and remote development. You can learn how to build an efficient development environment by learning step-by-step from the basic usage of each development tool to advanced functions.

It is configured to allow you to learn programming languages (Python, Terraform) for the cloud. You can directly create and apply simple yet tedious repetitive tasks, track when and how you deployed, and implement your company's unique policies that specific solutions cannot address. Specifically, we will apply a security architecture using Terraform, the most popular IaC (Infrastructure as Code) application, and also proceed with creating an ultra-simple dashboard using Python!

This course is designed to help you quickly learn server zero-downtime deployment methods using Nginx, Docker, and Spring Boot through hands-on practice. Learn Blue-Green deployment, which is frequently used in real-world scenarios, faster than anyone else!

We'll tell you what to do and what not to do when you have to give a technical/business presentation.

A C++ course optimized for employment that prepares you for both practical work and interviews simultaneously. An AAA game developer helps ensure your employment with interview questions from major domestic game companies and practical cases collected over 10 years.

This is a core CS (computer-science) course that selects only the computer architecture concepts frequently encountered in practical work and interviews, explaining and organizing them in an easy-to-understand way with a focus on diagrams. It's designed so that even beginners can grasp the flow and quickly continue their subsequent learning. The slides themselves are structured to serve as reviewable summary notes. If you want to organize the flow of computer architecture, start right now.

This course carefully selects only the essential JavaScript core concepts you must know for practical work and interviews, covering everything from scope and execution context to closures, prototypes, asynchronous processing, and module systems all in one comprehensive guide. Going beyond superficial syntax explanations, it's structured to help you understand how JavaScript actually works from fundamental principles. Through examples and visual materials, even concepts that seemed difficult are explained easily, aiming for 'understanding that can be expressed in words' that you can directly utilize in interviews. If you want to systematically organize JavaScript's operating principles, start right now.

What is DevSecOps? Configure a CI build environment and an environment that automatically performs SAST checks during build