Commonly asked System Design CONCEPT BASED interview topics -

1. Horizontal vs Vertical Partitioning
2. Apache Kafka
3. Rate Limiter
4. JWT vs OAuth vs SAML
5. Single Sign-On (SSO)
6. Microservices vs Monolithic Architecture
7. Reverse Proxy vs Forward Proxy
8. CAP Theorem
9. Global Scale System Design
10. Efficient Caching Strategy

To learn these topics in detail go through the post:

You can check these resources for Coding interview Preparation

All the best 👍👍