Microsoft Azure Architect Technologies (AZ-300) Practice Exam

The relationship between replication and backup in disaster recovery is that replication complements backup to create a comprehensive disaster recovery strategy. Replication involves continuously copying data from one location to another, ensuring that the most up-to-date version of the data is available in real-time or near-real-time. This is particularly important for minimizing downtime and maintaining business continuity in the event of a failure. On the other hand, backup refers to the process of creating copies of data to protect against data loss resulting from accidental deletion, corruption, or catastrophic events. Backups are typically scheduled at specific intervals (such as daily or weekly) and focus on safeguarding data that can be restored in the event of data loss. Together, replication and backup provide a layered approach to disaster recovery. Replication allows for quick recovery from incidents that can be resolved without significant data loss, while backups serve as a safeguard against scenarios where data is lost or corrupted beyond retrieval through replication alone. Thus, utilizing both methods ensures a more efficient and effective disaster recovery plan.