Which vSphere feature provides continuous availability, allowing users to protect any virtual machine from a host failure with no loss of data or connectivity?

The feature that provides continuous availability and protects any virtual machine from a host failure with no loss of data or connectivity is vSphere Fault Tolerance. This technology enables a VM to run in lockstep with a secondary VM, ensuring that if the primary VM fails, the secondary VM takes over immediately without any interruption in service. This is particularly important for mission-critical applications where downtime is unacceptable, as it ensures that both data integrity and connectivity are maintained.

vSphere Fault Tolerance achieves this by creating a real-time copy of a virtual machine, allowing users to continue operations seamlessly in the event of a host failure. This means that users experience no downtime, and data remains intact throughout the process, making it a vital feature for systems requiring high availability.

In contrast, options like vSphere vMotion and Enhanced vMotion Compatibility focus on migrating virtual machines between hosts, which helps in balancing workloads and performing maintenance but does not provide the same level of availability during host failures. vSphere HA (High Availability) is another important feature, but it works differently by restarting virtual machines on other hosts in a cluster after a failure, which does not provide immediate failover and may result in a short period of downtime.

Thus, vSphere Fault Tolerance is specifically designed to