(A) RESTORING THE INFORMATION BACKUP(B) AN EXACT COPY OF A SYSTEM’S INFORMATION(C) THE ABILITY TO GET A SYSTEM UP AND RUNNING IN THE EVENT OF A SYSTEM CRASH OR FAILURE(D) ALL OF THESE(E) NONE OF THESEANS (D)

44.What is a backup?(A) Restoring the information backup(B) An exact copy of a system’s information(C) The ability to get a system up and running in the event of a system crash or failure(D) All of these(E) None of theseANS (D)