# 6. Understanding Virtualization and Its Benefits

* **Introduction:** Virtualization is a core technology for cloud computing that enables the creation of virtual instances of physical resources.
    
* **Definition:** Virtualization involves creating a virtual version of something, such as a server, storage device, or network resource.
    
* **Benefits:** Resource optimization, cost savings, and improved management.
    
* **Key Technologies:** Hypervisors (VMware ESXi, Hyper-V).