ExpertMedium1 markMultiple Choice
AZ-305 · Question 21 · Domain 2.1: Relational Data
You are designing a highly available Azure Database for PostgreSQL solution. It must survive a zone failure with zero data loss (RPO=0) and automatic failover. Which TWO configurations should you select? (Select TWO)
You are designing a highly available Azure Database for PostgreSQL solution. It must survive a zone failure with zero data loss (RPO=0) and automatic failover. Which TWO configurations should you select? (Select TWO)
Answer options:
A.
Flexible Server
B.
Single Server
C.
Zone-redundant High Availability
D.
Read Replicas
E.
Geo-redundant backup
How to approach this question
Select the modern server type and the synchronous HA feature.
Full Answer
Flexible Server, Zone-redundant High Availability
Flexible Server with Zone-redundant HA uses synchronous replication to ensure RPO=0 across zones. Pillar: Reliability.
Common mistakes
Selecting Read Replicas which are asynchronous.
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