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Question 225 - DBS-C01 discussion

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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?

A.
Launch an ElastiCache for Redis cluster using the AWS CLI with the -cluster-enabled switch.
Answers
A.
Launch an ElastiCache for Redis cluster using the AWS CLI with the -cluster-enabled switch.
B.
Launch an ElastiCache for Redis cluster and select read replicas in different Availability Zones.
Answers
B.
Launch an ElastiCache for Redis cluster and select read replicas in different Availability Zones.
C.
Launch two ElastiCache for Redis clusters in two different Availability Zones. Configure Redis streams to replicate the cache from the primary cluster to another.
Answers
C.
Launch two ElastiCache for Redis clusters in two different Availability Zones. Configure Redis streams to replicate the cache from the primary cluster to another.
D.
Launch an ElastiCache cluster in the primary Availability Zone and restore the cluster's snapshot to a different Availability Zone during disaster recovery.
Answers
D.
Launch an ElastiCache cluster in the primary Availability Zone and restore the cluster's snapshot to a different Availability Zone during disaster recovery.
Suggested answer: B

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 tolerance.

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asked 16/09/2024
Jennifer Lear
45 questions
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