What are the benefits of serverless computing?
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Quick Answer
Automatic scaling (including to zero), pay-per-use cost with no idle capacity, and reduced operational overhead since there are no servers to patch or manage — letting teams focus on code.
Detailed Answer
Serverless shifts undifferentiated heavy lifting (capacity, patching, scaling) to the provider, speeds time to market, and can be very cost-efficient for spiky or low-baseline workloads. For steady, high-throughput workloads, containers may be cheaper, so the cost benefit is workload-dependent.
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Interview Tip
Add the caveat that steady high-volume workloads can be cheaper on containers — shows cost awareness, not blanket advocacy.
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