what should be Implemented when backing up HAS file shares to ensure there Is more than one copy of the data?

Why is it recommended to install Veeam ONE before Veeam Backup & Replication?

Veeam Agent for Microsoft Windows is installed on a server. A backup job is created on the server. The backup data will be sent to a Veeam Backup & Replication repository. A Veeam administrator wants to add the server to a different backup job. Which protection group would they find the server in?

A request to protect some new domain controllers has been submitted in the ticketing system.
The engineer creates a backup job with the following steps:
1. Right-clicks on the Jobs navigation item on the left
2. Selects VMware vSphere from the menu
3. Enters a name for the job.
4. Selects workloads to protect.
5. Defines a job schedule.
6. Clicks the Finish button.
When testing restores, the engineer finds that the backups are crash-consistent. Which set of steps should the engineer use to avoid crash-consistent backups for the domain controllers?

An environment is using Veeam Agent for Microsoft Windows and has Microsoft Exchange 2016 with regular Database Availability Groups (DAGs) configured. What option is required to properly back up the databases?