How To Pass Decision, Decision Scenario In Resident Evil-Outbreak?

Hello!

I'm new here.

To Anyone who has played Rsident Evil-Outbreak, how do I pass Scenario Decisions, Decisions at the door that's opened with a card reader?

Where do I fing that card?

2ndly, how do I open the door covered by the painting on the 2nd floor in the President's Room? i can't pass here to go to the 3rd floor.