Explain the Delete on Termination option of an EBS volume
Controls the EBS behaviour when an EC2 instance terminates.
What is EBS Snapshot Archive?
The “archive tier” is 75% cheaper, but it will take 24 to 72 hours for restoring the archive.
How many instances can be connected to an EBS Multi-Attach (io1, io2)?
Up to 16 instances at a time