CompTIA Server+ (SK0-005)Server AdministrationMedium
A company is planning to implement a new server infrastructure and wants to minimize physical server count while maximizing resource utilization and simplifying management. They are considering a solution that allows multiple independent operating systems to run concurrently on a single physical machine. Which technology best fits this description?
- ALoad Balancing
- BVirtualization
- CContainerization
- DClustering
Show answer & explanationAnswer & explanation
Correct answer: B. Virtualization
Virtualization allows multiple independent operating systems (virtual machines) to run on a single physical server, maximizing resource utilization and reducing the physical server footprint.
Why the other options are wrong
- A. Load balancing distributes network traffic across multiple servers to ensure no single server is overloaded, but doesn't involve running multiple OSes on one machine.
- C. Containerization (e.g., Docker) provides OS-level isolation for applications but typically shares the host OS kernel, not running independent OSes.
- D. Clustering links multiple physical servers to work as a single system for high availability or load distribution, but doesn't run multiple OSes on one physical machine.
Server Virtualization
Server virtualization is the process of dividing a physical server into multiple isolated virtual servers by using a hypervisor. Each virtual server can run its own operating system and applications independently.
- Reduces physical server count
- Improves resource utilization
- Simplifies server management and deployment
Memory trick: Optimize your servers, virtualize to conquer the physical!