AWS Certified Cloud Practitioner Practice Exam

Amazon S3 is the only option that is both scalable and durable. Amazon EBS is a block storage service and cannot be considered scalable as it is limited to a fixed size. Amazon Glacier is an archival storage service and is not designed for frequent access, making it less durable compared to Amazon S3. Amazon EFS is a file storage service and is not considered durable as it relies on a network connection and can be impacted by failures. In comparison, Amazon S3 is designed for high durability and scalability, making it the ideal choice for object storage needs.