Mock
60-min SD — limiter or chat
Requirements, API, data, scale, failures, 10x. Azure primitives where honest.
Week 7Monday 19 OctoberMock
Day 45: System design mock A
0 of 4 tasks completed0%
Estimation
Redo the numbers cold
Close the notes. QPS, storage, bandwidth. Within 3× of your earlier estimate.
System design
Failure modes and SLOs
Write availability target, p99, and three failures with mitigations.
Admin
Azure primitives you named
Queue, Blob, Functions, Front Door, Redis. Only list ones you can defend.
Study