CompTIA Security+ Exam Prep

Answer: C - If a currant database transaction is cancelled, it has been rollbacked. These changes could have taken place with the current itself or with schema changes that were typed in. When a roll back operation is executed, the changes are cancelled and the database returns to its previous state. A rollback can take place if the database has some type of unexpected glitch or if outside entities disrupt its processing sequence. Instead of transmitting and posting particle or current information, the data will roll back to its original state and log these errors and actions so they can be reviewed later.