doubt

[A.D]

Hii kindly clear my doubt

You need to ensure that the services running on the virtual machines are available if a single data center fails. what will be the answer among the options select (2)

1. deploy vm across two az in same region

2deploy vm in 2 regions

3. deploy vm in scale sets

4. deploy vm in availabity sets

please answer as soon as possible this question appeard on my 1st attempt exam of az-900 and i have many more doubtfull question which i rememberd fro the az -900 exam