Which fields are mandatory for each entry in the CSV file?

You need to use a comma-separated value (CSV) file to import server inventory to Azure Migrate.
Which fields are mandatory for each entry in the CSV file?
A. Server name. Cores, OS Name, and Memory (in MB)
B. Server name, IP addresses. Disk 1 size (in GB), and CPU utilization percentage
C. Server name, IP addresses, OS version, and Number of disks