Identify the required steps in the correct order.

Examine the list of possible steps to transport a tablespace across platforms that have the same compatibility level, character sets, and endian format:
1. Make the tablespace read-only at the source database.
2. Export metadata from the source database.
3. Import metadata into the target database.
4. Transfer the dump file and data files to the target machine.
5. Convert data files by using Recovery Manager (RMAN).
6. Make the tablespace read-write at the target database.
Identify the required steps in the correct order.

A.
2, 4, and 3

B.
2, 4, 3, and 5

C.
1, 5, 2, 4, 3, and 6

D.
1, 2, 4, 3, and 6