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Interview Questions
System design interview questions on scalability, reliability, and distributed systems.
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Top System Design Interview Questions
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1
Design a URL shortener
Hint: Hashing, database, caching
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2
Design Twitter/X
Hint: Feed, fanout, caching
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3
Design a rate limiter
Hint: Token bucket, sliding window
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4
Explain CAP theorem
Hint: Consistency, Availability, Partition tolerance
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5
How to design for high availability?
Hint: Redundancy, failover, load balancing
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6
Explain database sharding
Hint: Horizontal partitioning strategies
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