The red dot next to a field indicates required information. The first field is the Airborne Account Number that has been assigned to your department. The second to the last field is Challenge. In the challenge field you put a question that you can answer but that others would not know the answer. It is used in case you forget your password to verify that you are the person belonging to the information you enter when you registered.
Some people use their mother's maiden name.
You can have multiple users register for your department. As with registering for email and other on line services you may find that your first choice for New eService ID may already be assigned to another user. If that is the case, you will get the screen back with a message that the ID you chose is already in use. It make take several attempts to get an ID that is not already assigned. After you complete the screen you will get the following screen.