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In what unit must the size be specified when creating an EBS volume?
Gigabytes
Kilobytes
Terabytes
Megabytes
The correct answer is: Gigabytes
When creating an Elastic Block Store (EBS) volume, the size must be specified in gigabytes. This unit is widely used in the context of cloud storage services like AWS because it provides a manageable scale for both small and large volumes, striking a balance between performance and cost. Specifying size in gigabytes allows users to allocate an appropriate amount of storage capacity needed for their applications, while also ensuring clarity and consistency in how storage is provisioned. Additionally, using gigabytes for storage sizing simplifies management, as most AWS services, including S3, RDS, and others, also utilize gigabytes. Starting with a baseline of gigabytes makes it easier for users to understand and calculate their storage requirements relative to the other services they may be utilizing in the AWS ecosystem.