A double subscripted array declared as int a[ 3 ][ 5 ]; has how many elements?

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When an EC2 instance that is backed by an S3-based AMI is terminated, what happens to the data on the root volume?

A. Data is automatically saved as an EBS snapshot. B. Data is automatically saved as an EBS volume. C. Data is unavailable until the instance is restarted. D. Data is automatically deleted.