Product design question

How would you go about designing a dashboard of call quality for WhatsApp?

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What this question tests

Internal tooling design skill: building a diagnostic dashboard for an operations or engineering audience.

How to approach it

  1. Clarify the audience: likely network engineers and support teams needing to triage call quality issues quickly.
  2. Identify what 'quality' means: dropped call rate, audio latency, jitter, and connection failure rate as the core signals.
  3. Prioritize a geographic and network type breakdown (WiFi versus cellular, by region), since quality issues are rarely uniform.
  4. Propose a dashboard with a top line health score and drill down views by region, network type, and time to spot emerging issues fast.
  5. Add alerting thresholds so the team is proactively notified of a regional quality drop rather than discovering it from user complaints.
  6. Define success as time to detect a quality regression and time to resolution after detection.

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