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Answer: Amazon S3
Amazon S3 is the most cost-effective storage solution for retaining application log files for 7 years. S3 provides durable storage with high availability and allows concurrent access to the data, which is ideal for analysis by a reporting tool. Amazon EBS and Amazon EFS are generally more expensive for this type of use case, and an EC2 instance store is not suitable for long-term storage as the data is lost when the instance is stopped or terminated. Therefore, the correct answer is Amazon S3.
Author: LeetQuiz Editorial Team
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Which AWS storage solution is the most cost-effective for retaining application log files for 7 years, while allowing concurrent access for analysis by a reporting tool on Amazon Linux EC2 instances?
A
Amazon EBS
B
Amazon EFS
C
EC2 instance store
D
Amazon S3
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