If you are not sure which county jurisdiction issued your ticket/citation check your courtesy notice mailed to you by the court for the name on the return address.
If you have received a traffic ticket in Arizona and have been referred by the court to take a defensive driving course. By completing this course, the court will dismiss your ticket and you will avoid points on your record.
The ticket will not be dismissed / cleared from your driving record. You appeared before a judge and the judge ordered you to attend a defensive driving program.