SOA-C02 · Question #700
A company uses Amazon ElastiCache (Redis OSS) to cache application data. A SysOps administrator must implement a solution to increase the resilience of the cache. The solution also must minimize the…
The correct answer is D. Enable automatic backups. Restore the backups when necessary. A Redis replication group with a read replica in another AZ and Multi-AZ (automatic failover) provides immediate failover to the replica, minimizing RTO and increasing resilience.
Question
A company uses Amazon ElastiCache (Redis OSS) to cache application data. A SysOps administrator must implement a solution to increase the resilience of the cache. The solution also must minimize the recovery time objective (RTO). Which solution will meet these requirements?
Options
- AReplace ElastiCache (Redis OSS) with ElastiCache (Memcached).
- BCreate an Amazon EventBridge rule to initiate a backup every hour. Restore the backup when
- CCreate a read replica in a second Availability Zone. Enable Multi-AZ for the ElastiCache (Redis
- DEnable automatic backups. Restore the backups when necessary.
How the community answered
(49 responses)- A6% (3)
- B12% (6)
- C2% (1)
- D80% (39)
Explanation
A Redis replication group with a read replica in another AZ and Multi-AZ (automatic failover) provides immediate failover to the replica, minimizing RTO and increasing resilience.
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