1. Rows of bags that you toss yours into. Not much order. Throw your phone in your backpack. Not much security. Just don't have a plain black backpack. Put a name tag or unique identifier on it.
2. They make you wear it backwards. The proctors are watching eyes for cheating.
3. I brought my notes last year and reviewed the high level concepts before the PM session. Some do and some don't. Whatever you do, don't try to check answers from the AM session that are fresh in your head. You're better off not knowing that you got them wrong.
The test is almost all conceptual, and not too in depth. Make sure you read the question,
AND UNDERSTAND what the question is asking for. This has been true on all 3 levels, where
a question will give you info for one answer, but is asking something else. Easy points missed by mis-reading