An IT administrator working in a space agency has just in installed some applications that are critical for a satellite launch mission. The administrator wants the applications to work irrespective of any operating system failure.
Which vSphere 6.x feature should the administrator use?
A. vSphere HA
B. vSphere Fault Tolerance
C. vSphere Replication
D. vSphere Data Protection
Answer: A
vSphere HA can be used to monitor virtual machines and protect against guest OS failures using the feature called VM Monitoring. It works by monitoring VMware Tools heartbeats and I/O activity of the guest OS. If hearbeats from the guest OS are not received and there is no disk I/O activity for a period of time, the guest OS has likely failed and the VM is restarted by vSphere HA. Note that the VM will stay on the same ESXi host.