Multiple choice

In which of the following classifications of degree of durability, a transaction commits and its commit log record is written to stable storage at the primary and the backup site?

  1. Two-very-safe

  2. One-safe

  3. RAID level 4

  4. Exclusive mode

  5. Detection of failure

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A Correct answer
Explanation

In this classification of degree of durability, a transaction commits and its commits log record is written to stable storage at the primary and the backup site.