I think it is sun's policy that a candidate can not attend the same test within 1 month!. If this happens, I suggest sun use the worst result for his ranking.
Originally posted by Jerry Lacanienta:
I don't think the system checks the candidate ID because I myself received 2 vouchers. However, I sent back my second voucher to Evelyn. Candidates who took the exam twice should be disqualified because they CHEATED.