The technology that allows a single physical server to run multiple isolated operating systems is called ________.
- Doping
- Web Application / DAST
- Rectifier
- Virtualization
Answer: Virtualization
Virtualization uses hypervisor software to create multiple virtual machines (VMs) on one physical server, each running independent OS. Improves resource utilization, enables testing, disaster recovery, and cloud infrastructure. Types: full virtualization, para-virtualization, containerization (Docker).