@leonov

What is a CDN and how does it improve performance?

Explain what a Content Delivery Network (CDN) is and how it benefits web application performance.

What is Continuous Integration?

Explain what Continuous Integration (CI) is and its benefits for development teams.

Describe the purpose of an API Gateway

Explain what an API Gateway is in a microservices architecture and its benefits.

How do you handle state in React applications?

Discuss different state management approaches in React, including useState, useContext, and external libraries like Redux.

• React
• Meta (Facebook)
• Middle

Describe the CI/CD pipeline

Explain what CI/CD stands for and describe the typical stages of a CI/CD pipeline. What are its benefits?

• CI/CD
• Amazon
• Staff

Describe different types of testing in software development

Explain unit testing, integration testing, and end-to-end testing. When should each be applied?

• Testing
• Meta (Facebook)
• Middle

How do you ensure security in web applications?

Discuss common web security vulnerabilities (XSS, CSRF, etc.) and mitigation strategies.

• Netflix
• Middle

What is a distributed transaction?

Explain the concept of a distributed transaction and the challenges involved in implementing them.

• Google
• Senior

Describe different types of software licenses

Explain open-source licenses (MIT, GPL, Apache) and proprietary licenses.

• Senior

Describe different data structures and their applications

Explain arrays, linked lists, trees, graphs, hash tables, and their real-world uses.