Which two actions does an incremental checkpoint perform?

Which two actions does an incremental checkpoint perform?References: http://www.dba-oracle.com/t incremental checkpoint.htm

Question:

Which two actions does an incremental checkpoint perform?

Options:

It signals CKPT to write the checkpoint position to the data file headers

It writes the checkpoint position to the data file headers.

It advances the checkpoint position in the checkpoint queue.

It writes the checkpoint position to the control file.

Correct Answer

The Correct Answer for this Question is

It advances the checkpoint position in the checkpoint queue.
It writes the checkpoint position to the control file.