Which AWS service provides storage that can be mounted across multiple Amazon EC2 instances?

Explanations:

Amazon WorkSpaces is a managed desktop service that provides virtual desktops to users. It does not provide storage that can be mounted across multiple EC2 instances.

Amazon Elastic File System (Amazon EFS) is a fully managed file storage service that can be mounted simultaneously across multiple Amazon EC2 instances. It is designed for use with AWS Cloud services and on-premises resources, allowing scalable file storage.

AWS Database Migration Service (AWS DMS) is primarily used for migrating databases from one location to another. It does not provide storage that can be mounted across multiple EC2 instances.

AWS Snowball Edge is a data transfer service that uses physical appliances to transport large amounts of data into and out of AWS. It does not provide shared storage that can be mounted by multiple EC2 instances.