• What are the performance implications of using JWTs?

  • How would you design a token-based authentication system for a microservices architecture?

  • Describe a scenario where you had to troubleshoot atoken-based authentication issue.

  • What are the security considerations when designing a token-based authentication system?

  • How do you implement role-based access control (RBAC) with token-based authentication ?

  • What are the different ways to store tokens securely on the client-side?

  • What are JWTs (JSON Web Tokens) and how do they work? Expertise Level of Developer Required to Answer this Question

  • How do you handle token expiration and renewal in a client-side application?

  • Describe the OAuth 2.0 flow you are most familiar with.

  • How can you secure token-based authentication against common attacks like CSRF and XSS ?

  • Explain the difference between access tokens and refresh tokens .

  • What are the benefits of using token-based authentication over traditional methods like session-based authentication ?