High Availability
16 practice items · needed by 3 roles
Easy 3Medium 4Hard 9
Practice questions
- Regions and availability zoneseasy
- Users logged out when scaling ineasy
- Automatic failover for RDSmedium
- Picking a DR strategyhard
- Node drain stuck on a PDBhard
- One NAT gateway for three AZshard
- Double pages from HA Prometheushard
- RPO and RTOeasy
- Risk of asynchronous replicationmedium
- Multi-AZ vs read replica on RDSmedium
- Terraform plan wants to replace the DBmedium
- Avoiding split-brainhard
- Commits hang with sync replicationhard
- Primary demoted when etcd is unreachablehard
- Rejoining the old primaryhard
- Restore takes longer than the RTOhard