Nutanix Certified Associate Practice Exam

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What is the main purpose of utilizing Nutanix VSS in Data Protection?

To reduce the need for storage bandwidth
To create application-consistent snapshots
To avoid latency issues
To enable improved system performance

The correct answer is: To create application-consistent snapshots

The primary purpose of utilizing Nutanix VSS (Volume Shadow Copy Service) in Data Protection is to create application-consistent snapshots. This process ensures that the data captured during a snapshot reflects a consistent state of the applications that are running at that time, including ongoing transactions and in-memory data. Application consistency is crucial for data integrity, especially when dealing with databases or other stateful applications where a snapshot taken without ensuring that all relevant components are in sync could lead to data corruption or incomplete backups. By leveraging VSS, Nutanix facilitates coordinated backup operations with the application, which instructs the system to quiesce (freeze) the application state before the snapshot is taken. This way, users can restore their data reliably without concerns about losing transaction logs or accumulating stale data. Utilizing an approach focused on application consistency is essential for businesses that rely on critical applications, as it ensures that their backups can be restored quickly and effectively, minimizing downtime and maintaining data integrity.