하나는 휴대폰을 사용하여 대학수학능력시험시행 중에 휴대폰을 사용하여 답안을 전송받았다는 이유로 당해 시험을 무효로 하였다.
One was that the test was invalidated because the answer was sent using a mobile phone while the college entrance exam was being conducted.