
Ultimate access to all questions.
Your company is dealing with a large volume of data that includes both frequently accessed (hot) and infrequently accessed (cold) data. As an AWS Certified Data Engineer, you are tasked with designing a storage solution that optimizes for cost and performance. Describe how you would approach this task, including the selection of appropriate storage solutions, cost optimization strategies, and data lifecycle management.
A
Use Amazon S3 for all data, as it is the most cost-effective solution.
B
Implement a multi-tiered storage strategy using Amazon S3, with hot data stored in S3 Standard and cold data stored in S3 Glacier.
C
Store all data in Amazon EBS for high performance, regardless of access frequency.
D
Use Amazon RDS for all data storage needs, as it provides built-in data protection and availability.