DRAG DROP
You are the server administrator for several on-premises systems.
You need to back up all the systems to the cloud by using Azure Backup.
In which order should you perform the actions? To answer, move all actions from the list of actions to the
answer area and arrange them in the correct order.
Select and Place:
Answer: 
Explanation:
https://azure.microsoft.com/en-gb/documentation/articles/backup-configure-vault/
1. Install Agent
2. Download Vault creds
3. Schedule backup
Azure Portal tells you the steps nice and clear when you go to backup a new server.
it should be
1) Configure the backup vault
2) download vault credentials
3) download and install the backup agent
configuring the backup vault is the process on portal where we specify the source location to be backed up, after that we can download the agent but we cannot install it without vault credentials, so we need to download the vault credentials first than download and install the backup agent on source servers
Sachin You are correct. Diagram shows exactly the steps.
https://docs.microsoft.com/en-us/azure/backup/backup-configure-vault
1) Configure the backup vault
2) download vault credentials
3) download and install the backup agent
4) register the server
5) configure the backup schedule