What should you do first?

You create an Azure Recovery Services vault and download the backup agent installation file.
You need to complete the installation of the backup agent.
What should you do first?
A. Configure network throttling.
B. Set the storage replication option.
C. Download the vault credentials file.
D. Select the data to back up.

Correct Answer: C
Explanation/Reference:
Explanation:
After you have created the vault, prepare your infrastructure to back up files and folders by downloading and installing the Microsoft Azure Recovery Services agent, downloading vault credentials, and then using those credentials to register the agent with the vault.
You can install the agent after you have downloaded the vault credentials.
Note: On the Prepare infrastructure blade, click Download.

References: https://docs.microsoft.com/en-us/azure/backup/backup-configure-vault