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) Initiating the device to mount on the EBS volume
C) Formatting the volume
D) Copying the data from a snapshot to the device

Question

Quizplus · Accepted Answer

The command "dd if=/dev/xvdf of=/dev/null bs=1M" is used to read the entire EBS volume, which effectively pre-warms the volume by ensuring all blocks are loaded from the snapshot into the volume.

A User Runs the Command "Dd If=/dev/xvdf Of=/dev/null Bs=1M" on an EBS