Multiple choice

Which of the following classifications of the degree of durability has the problem that updates of a committed transaction may not have made it to the backup site, when the backup site takes over processing?

  1. Exclusive mode

  2. Two-very-safe

  3. Growing phase

  4. One-safe

  5. Detection of failure

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The problem with this scheme is that updates of a committed transaction may not have made it to the backup site, when the backup site takes over processing.