The engineer needs to back up sensitive data located on VMware vSphere encrypted VMs. The company policy prioritizes data security over anything else.

In the backup infrastructure, the engineer has configured:

One physical proxy configured on the DirectSAN Access transport mode, for fast data transfer speed and less load on the production network

Two physical proxies in NBDSSL

Encryption has been enabled on the backup job

Which action will allow the VM data to remain encrypted during the entire backup process?