You work as a design specialist at Certkiller .com. You are about to begin a multi-server, host level migration from competitive storage to EMC.
What would be your last task before moving the data?

A.
Backup the data.

B.
Test back-out and migration scripts.

C.
Seek Change Advisory Board authorization to proceed.

D.
Check the availability of all required storage and network resources.

E.
Evaluate source and target environment against the configuration baseline.

Explanation:
We obtain final green light from change management before starting change in our prod environment.