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System Design · interview question

In an interview, you're asked to explain horizontal auto-scaling. Which statement correctly describes this concept?

Multiple choiceMediumchapter-20-curatedpremiumsystem-designdefending-tradeoffs
Choose one answer
Answer and explanation

Correct answer

D. Increasing the number of running instances of an application as demand grows.

Why

Horizontal auto-scaling involves increasing or decreasing the number of instances of an application based on demand, helping to manage load efficiently.

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