You can always bring two of the long white erasers to cover the last section you bubbled. Those are allowed you can use them however you want. They just can not have sleeves.
... have the option of including noise. That was my main concern ... no out of the ordinary noise. The proctors were respectful and ... so getting accustomed to some noise is a great idea. Another ...
Nope! I took mine black and white and it was fine. I definitely had a scare at the center though because a lot of people brought it colored, but I wasn't stopped because of it or anything.