What is the main purpose of the planned failover feature?

A. Test the VM in a sandbox without impacting the production environment

B. Proactively switch from running the regular VM to the replica VM

C. Initiate a disaster recovery procedure when the main site is down
D. Test a disaster recovery scenario without any downtime on the VM

Reference: https://helpcenter.veeam.com/docs/backup/vsphere/planned_failover.html?ver=100