Discover why Amazon S3 is the ultimate choice for highly durable object storage in the AWS Certified Cloud Practitioner CLF-C02 exam. Learn about its unmatched durability, availability, and use cases.
Table of Contents
Question
Which AWS service provides highly durable object storage?
A. Amazon S3
B. Amazon Elastic File System (Amazon EFS)
C. Amazon Elastic Block Store (Amazon EBS)
D. Amazon FSx
Answer
A. Amazon S3
Explanation
Amazon S3 provides highly durable object storage, ideal for a wide variety of cloud storage use cases.
Why Amazon S3?
Amazon S3 (Simple Storage Service) is a highly durable, scalable, and secure object storage service designed for a wide range of use cases, including backups, data archiving, and content distribution. It is specifically engineered to provide 11 nines of durability (99.999999999%), making it the most reliable storage option in AWS.
Key Features of Amazon S3
- Durability: Data is redundantly stored across multiple Availability Zones (AZs) within a region. This ensures that even if one AZ fails, your data remains safe and accessible.
- Availability: Offers 99.99% availability for its Standard storage class, backed by a Service Level Agreement (SLA).
- Scalability: Supports virtually unlimited storage capacity with no upfront costs.
- Security: Provides robust encryption options (in transit and at rest) and fine-grained access control through IAM policies and bucket permissions.
- Cost Efficiency: Includes multiple storage classes (e.g., Standard, Intelligent-Tiering, Glacier) to optimize costs based on data access patterns.
Why Not the Other Options?
- Amazon EFS and Amazon FSx are file-based storage solutions designed for specific use cases like shared file access or specialized workloads.
- Amazon EBS is block-level storage tied to EC2 instances, offering lower durability compared to S3.
- Only Amazon S3 provides the durability and scalability required for use cases like long-term backups, disaster recovery, and large-scale data lakes.
For the AWS Certified Cloud Practitioner CLF-C02 exam, remember that Amazon S3 is the definitive choice when the question involves highly durable object storage. Its industry-leading durability, availability, and flexibility make it a cornerstone of AWS’s cloud storage offerings.
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