Which three actions should you perform before you create the import job?

Your company has a Microsoft 365 subscription.
You plan to move several archived PST files to Microsoft Exchange Online mailboxes.
You need to create an import job for the PST files.
Which three actions should you perform before you create the import job? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Create a Microsoft Azure Storage account.
B. From Security & Compliance, retrieve the SAS key.
C. Run azcopy.exe to copy the PST files to Microsoft Azure Storage
D. Use Microsoft Azure Storage Explorer to copy the PST files to Azure Storage.
E. Create a PST import mapping file.