DBS-C01 · Question #267
A company wants to improve its ecommerce website on AWS. A database specialist decides to add Amazon ElastiCache for Redis in the implementation stack to ease the workload off the database and…
The correct answer is B. Launch an ElastiCache for Redis cluster and select read replicas in different Availability Zones. https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/AutoFailover.html You can enable Multi-AZ only on Redis (cluster mode disabled) clusters that have at least one available read replica. Clusters without read replicas do not provide high availability or fault
Question
A company wants to improve its ecommerce website on AWS. A database specialist decides to add Amazon ElastiCache for Redis in the implementation stack to ease the workload off the database and shorten the website response times. The database specialist must also ensure the ecommerce website is highly available within the company's AWS Region. How should the database specialist deploy ElastiCache to meet this requirement?
Options
- ALaunch an ElastiCache for Redis cluster using the AWS CLI with the -cluster-enabled switch.
- BLaunch an ElastiCache for Redis cluster and select read replicas in different Availability Zones.
- CLaunch two ElastiCache for Redis clusters in two different Availability Zones. Configure Redis
- DLaunch an ElastiCache cluster in the primary Availability Zone and restore the cluster's snapshot
How the community answered
(45 responses)- A2% (1)
- B82% (37)
- C11% (5)
- D4% (2)
Explanation
https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/AutoFailover.html You can enable Multi-AZ only on Redis (cluster mode disabled) clusters that have at least one available read replica. Clusters without read replicas do not provide high availability or fault
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