A gaming leaderboard application requires an in-memory data store to handle millions of requests per second with sub-millisecond latency. The data store must support complex data structures like sorted sets. Which AWS service should be used?

Answer options:

Amazon ElastiCache for Memcached

Amazon ElastiCache for Redis

Amazon DynamoDB

Amazon RDS

How to approach this question

Identify the need for an in-memory store that supports complex data structures.

Full Answer

B.Amazon ElastiCache for Redis✓ Correct

Amazon ElastiCache for Redis is an in-memory data store that provides sub-millisecond latency. Unlike Memcached, Redis supports complex data structures such as lists, sets, and sorted sets, making it ideal for leaderboards.

Common mistakes

Choosing Memcached, which is simpler and only supports plain key-value strings.

Question 38 All questions Question 40

Practice the full AWS SAA-C03 Practice Exam 5

65 questions · hints · full answers · grading

More questions from this exam

Q01A company needs to grant an external auditor read-only access to specific AWS resources. The audi...Easy Q02An application running on EC2 instances needs to access objects in an S3 bucket. The security tea...Medium Q03A company is designing a VPC for a multi-tier web application. They need to block specific malici...Medium Q04A large enterprise uses AWS Organizations to manage multiple accounts. The security team wants to...Hard Q05A company hosts a web application on an Application Load Balancer (ALB). They are experiencing SQ...Medium

View all 65 questions →