Important Subjective Topics For Interviews

1. Operating System

• Compiler, Loader, Linker
• Process
• Threads
• Process Scheduling
• Paging
• Segmentation
• Mutex/Semaphores

2. DBMS

• Normalisation
• Locking
• Concurrency Control
• File vs DBMS
• SQL vs NoSQL
• Indexing
• ACID Properties

3. Computer Networks

• OSI Model
• Subnetting/ Supernetting
• How Internet Works
• Routing Algorithms
• IPv4 vs IPv6
• http vs https

4. OOPS

• Class
• Object
• Abstraction
• Encapsulation
• Inheritance
• Polymorphism

5. Linux

• Inode
• File Structure
• Priority in Linux
• fork()/ pipe()
• Multithreading
• How OS works?
• Basic commands

6. System Design

• CAP theorem
• Scaling
• Load Balancer
• Distributed System
• Caching and its types
• Sharding
• API (REST vs SOAP)

Thanks 👍