High Availability with Patroni and Etcd Quiz Home › PostgreSQL DBA › High Availability with Patroni and Etcd 🛡️ Postgres Database Administration – High Availability with Patroni and Etcd 20 questions · 15 min timer · Explanations included · Free 1. What is the consequence of having an odd number of nodes in an Etcd cluster? It ensures better fault tolerance and availability. It reduces the overall performance of the cluster. It increases the risk of data inconsistency. It complicates the leader election process. None 1 out of 20 2. In a Patroni-managed PostgreSQL cluster, what happens when the leader node fails? A new leader is automatically elected from the available replicas. The entire cluster becomes read-only until the leader is restored. All nodes in the cluster shut down to prevent data inconsistency. The cluster switches to a single-node operation mode. None 2 out of 20 Loading questions... 3 out of 20 Loading questions... 4 out of 20 Loading questions... 5 out of 20 Loading questions... 6 out of 20 Loading questions... 7 out of 20 Loading questions... 8 out of 20 Loading questions... 9 out of 20 Loading questions... 10 out of 20 Loading questions... 11 out of 20 Loading questions... 12 out of 20 Loading questions... 13 out of 20 Loading questions... 14 out of 20 Loading questions... 15 out of 20 Loading questions... 16 out of 20 Loading questions... 17 out of 20 Loading questions... 18 out of 20 Loading questions... 19 out of 20 Loading questions... 20 out of 20 Click Submit to see your final score! Previous Start Quiz Next Time's up