Quiz Library
Timed multiple-choice quizzes. Pass to unlock ratings.
Concurrency vs Parallelism Quiz
Test your understanding of concurrency, parallelism, threads, processes, the GIL, and safe use of async database sessions.
IELTS Academic Practice Quiz
15 IELTS-style questions covering Reading, Listening, Speaking, Writing strategies, and vocabulary — test your exam readiness.
Concurrency: Race Conditions & Synchronisation
Go beyond the basics: race conditions, locks, semaphores, deadlocks, async patterns, thread safety, and when to use multiprocessing vs threading vs async.
System Design Basics Quiz
Test your understanding of fundamental system design concepts: scalability, availability, caching, and load balancing.
Load Balancing Quiz
Test your knowledge of load balancing algorithms, Layer 4 vs Layer 7, health checks, and session persistence.
Database Indexing Quiz
Test your knowledge of B-tree indexes, composite indexes, covering indexes, and query optimization with EXPLAIN ANALYZE.
Consistent Hashing Quiz
Test your understanding of the hash ring, virtual nodes, and how consistent hashing is used in distributed caches and databases.
CAP Theorem Quiz
Test your understanding of Consistency, Availability, and Partition Tolerance — and how real systems navigate these trade-offs.