Which option describes server virtualization?

Consolidation of multiple server workloads onto a smaller number of more powerful servers

The aggregation of server workloads onto a smaller number of servers by running multiple server operating systems directly on the shared hardware

Reduction of on-premises server requirements through the elimination of low utilization servers and the transition to a SaaS solution

Consolidation of multiple server interface cards into a single network card that supports a large number of virtual interfaces