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CO⭐️Spring Security - 30
Most Frequent Questions asked in Interview (No Over-Prep)
Comment "pdf" for interview precise answers to all these questions.
BASICS
1️⃣What problem does Spring Security solve?
2️⃣How does Spring Security work internally? (High level flow)
3️⃣What is Security FilterChain?
4️⃣What is AuthenticationManager?
5️⃣Authentication Manager vs Authentication Provider
INTERMEDIATE
6️⃣How does password encoding work? Why BCrypt?
7️⃣What is SecurityContext?
8️⃣What is SecurityContextHolder?
9️⃣Stateless vs Stateful authentication
1️⃣0️⃣How does session-based authentication work?
1️⃣1️⃣What is JWT? Why is it stateless?
1️⃣2️⃣Where should JWT be stored? (Header vs Cookie)
1️⃣3️⃣How to validate JWT in Spring Security?
1️⃣4️⃣What is Refresh Token?
1️⃣5️⃣JWT vs Refresh Token?
SUPER IMPORTANT
1️⃣6️⃣What is CSRF? Why is it enabled by default?
1️⃣7️⃣When should CSRF be disabled?
1️⃣8️⃣CORS vs CSRF
1️⃣9️⃣What is OAuth2?
2️⃣0️⃣OAuth2 vs JWT
Comment "pdf" for rest of the interview questions and precise answers to all these questions.
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