How many servers should you identify?

DRAG DROP
You plan to install two SQL Server 2014 environments named Environment1 and Environment.
Your company identifies the following availability requirements for each environment:
Environment1 must have mirroring with automatic failover implemented.
Environment2 must have AlwaysOn with automatic failover implemented.
You need to identify the minimum number of SQL Server 2014 servers that must be deployed to each
environment to ensure that all data remains available if a physical server fails.
How many servers should you identify?
To answer, drag the appropriate number to the correct environment in the answer area.
Select and Place:

Answer:

Explanation:
Database Mirroring (SQL Server)
Failover and Failover Modes (AlwaysOn Availability Groups)