AWS Certified Cloud Practitioner
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A company wants an in-memory data store that is compatible with open source in the cloud. Which AWS service should the company use?
Real Exam
Community
RRitesh
A
Amazon DynamoDB
B
Amazon ElastiCache
C
Amazon Elastic Block Store (Amazon EBS)
D
Amazon Redshift
Explanation:
Explanation
Amazon ElastiCache is the correct answer because:
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In-memory data store: ElastiCache provides fully managed in-memory data stores using either Redis or Memcached.
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Open source compatibility: ElastiCache supports Redis and Memcached, both of which are open source in-memory data stores. It's compatible with existing open source APIs and tools.
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Why not the other options:
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Amazon DynamoDB: This is a NoSQL database service, not specifically an in-memory data store. It's a managed database service with SSD storage.
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Amazon Elastic Block Store (Amazon EBS): This is block-level storage volumes for use with EC2 instances, not an in-memory data store.
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Amazon Redshift: This is a data warehousing service for analytics, not an in-memory data store.
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Use cases: ElastiCache is commonly used for caching, session stores, gaming leaderboards, real-time analytics, and other applications that require low-latency data access.
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Managed service benefits: AWS manages the infrastructure, patching, and maintenance, while providing high availability, scalability, and security features.
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