M3 • Replication, HA & DR
Level 8 - Principal - Replication, HA & DR
Engineer resilient data platforms with replication topology, failover behavior, quorum choices, and explicit RPO/RTO design.
Module Coverage
18 questions focused on interview-style decision making, trade-offs, and scalable SQL design.
replica lag handlingquorum write/read rulesfailover strategysplit-brain controlrpo/rto planning