You are moving a customized SharePoint site collection to a new farm.
You attach and mount the source content database in the destination farm.
You need to ensure that all customizations from the source farm are available in the destination farm.
What should you do?

A.
Copy all custom master pages from the source site collection to the master page gallery in the
destination site collection.

B.
Copy all custom site definitions from the file system of the source farm to the destination farm.

C.
Copy all permission levels from the source farm to the destination farm.

D.
Copy all search indexes from the source farm to the destination farm.