Which of the following can improve the availability of a distributed database?

Options

  • A. Data Replication
  • B. Removing all backup copies
  • C. Using only one database server
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. Data Replication

Detailed Explanation

Explanation: Replication can improve availability because another replica may serve requests when one site becomes unavailable, provided failover and consistency are properly managed.