A Gaming Company Has Implemented a Leaderboard in AWS Using

question 104

Multiple Choice

A gaming company has implemented a leaderboard in AWS using a Sorted Set data structure within Amazon ElastiCache for Redis. The ElastiCache cluster has been deployed with cluster mode disabled and has a replication group deployed with two additional replicas. The company is planning for a worldwide gaming event and is anticipating a higher write load than what the current cluster can handle. Which method should a Database Specialist use to scale the ElastiCache cluster ahead of the upcoming event?

• A) Enable cluster mode on the existing ElastiCache cluster and configure separate shards for the Sorted Set across all nodes in the cluster.
• B) Increase the size of the ElastiCache cluster nodes to a larger instance size.
• C) Create an additional ElastiCache cluster and load-balance traffic between the two clusters.
• D) Use the EXPIRE command and set a higher time to live (TTL) after each call to increment a given key.

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Definitions:

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