I am a hyper-v guy, but just in case it comes up in a job interview. Say there are two physically separated host clusters running lots of vms at each one. What would be a way to create failover, ...
Given that you've only got 1 hardware host, I'd not bother with FT/HA since it wont protect you against the things you need to protect; failure at the application level, failure at the host level.