Which of the following statements are correct with respect to the instance store and EBS volume? Please select 2 correct options.

Answer options:

A.Instance store backed EC2 instances will persist storage across instance stop, terminate, and failures.
B.EBS backed EC2 instances can persist storage across instance stop, terminate, and failures.
C.Instance store backed EC2 instance will persist storage only during instance stop and start.
D.You cannot add instance store volumes once the EC2 instance is launched.
E.All available EC2 instance types support instance store and EBS volumes

Answer: B, D
https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/InstanceStorage.html
Amazon Elastic Block Store (Amazon EBS) provides block-level storage volumes for use with EC2 instances. EBS volumes are highly available and reliable storage volumes attached to any running instance in the same Availability Zone. EBS volumes attached to an EC2 instance are exposed as storage volumes that persist independently from the life of the instance.
https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/AmazonEBS.html 
Option A is not correct.
Option B is correct.
Option C is not correct.
Instance store persists during reboots, not during the stop and start of the instance.
Option D is correct.
https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/add-instance-store- volumes.html
Option E is not correct.
https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/InstanceStorage.html#instance- store-volumes