A user runs the command "dd if=/dev/xvdf of=/dev/null bs=1M" on an EBS volume created from a snapshot and attached to a Linux instance. Which of the below mentioned activities is the user performing with the step given above?
A. Pre warming the EBS volume
B. Copying the data from a snapshot to the device
C. Formatting the volume
D. Initiating the device to mount on the EBS volume
Answer: A
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