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System design

Silver exam

The whole course at working depth: read short programs and configs, predict what they do, spot the common design bugs and type the commands you use every day. Time is limited.

  • 16 questions
  • 20 minutes
  • Pass mark 80%
  • At least 6 hands-on tasks
Covers Estimates and stateless serversQueues and rate limitsCachingDatabases and consistencyObservabilityReal time and searchRegions and backupsCost

The clock cannot be paused, and leaving counts as an attempt.