10 System Design Interview Mistakes To Avoid

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1. Ignoring the Problem Constraints

Don't let your design float in the clouds! Consider the limitations and constraints provided to come up with practical and scalable solutions.

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2. Neglecting Trade-offs

Design isn't just about perfection; it's about making smart choices. Be prepared to discuss trade-offs between performance, cost, and complexity.

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3. Failing to Define System Goals

Without clear objectives, you're like a ship without a compass. Define your system goals early on to guide your design decisions.

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4. Lack of Scalability

Don't let your system crumble under pressure! Think about scaling horizontally or vertically to handle increasing loads efficiently.

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Data is the lifeblood of your system. Design a robust and efficient data model that aligns with your system requirements.

5. Poor Data Modeling

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6. Overlooking Security Measures

Don't leave your system vulnerable to attacks! Incorporate security measures such as encryption, authentication, and authorization into your design.

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7. Not Considering Fault Tolerance

Prepare for the unexpected! Design fault-tolerant systems that can gracefully handle failures and minimize downtime.

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8. Lack of System Testing Strategy

Testing is the key to a robust design. Have a well-defined testing strategy to ensure your system performs flawlessly under various scenarios.

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9. Poor Communication Skills

Even the best design can fall flat without effective communication. Practice articulating your thoughts and design decisions clearly.

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10. Neglecting to Learn from Past Experience

History has much to teach! Study real-world system designs learn from their successes and failures, and apply those lessons to your own designs.

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