Which kind of failure loses its data in head crash or failure during transfer operation.
A. Transaction failure
B. System crash
C. Disk failure
D. All of the mentioned
Answer:A
Which kind of failure loses its data in head crash or failure during transfer operation.
A. Transaction failure B. System crash C. Disk failure D. All of the mentioned
Explanation: Copies of the data on other disks, or archival backups on tertiary media, such as DVD or tapes, are used to recover from the failure.