200-301 Question 142
Single answerAn organization is deploying a virtualization solution to improve resource utilization and operational efficiency. They want to run multiple isolated instances of applications on a single server without the overhead of running multiple operating systems. Which virtualization approach best meets this requirement?
- A
Server virtualization using hypervisors
- B
Containerization using Docker or Kubernetes
- C
Virtual Routing and Forwarding (VRF)
- D
Dedicated physical servers for each application
Show answer and explanation
Correct answer: B
Explanation
Containerization is the best solution in this scenario because it provides isolated environments for running applications without the need for multiple operating systems, reducing overhead and improving efficiency. This makes it ideal for organizations looking to maximize resource utilization while maintaining application isolation.
- A. Incorrect.
Server virtualization using hypervisors allows for running multiple virtual machines on a single physical server, but each VM requires its own operating system, which adds overhead.
- B. Correct.
Containerization enables lightweight virtualization by running multiple isolated applications on a single operating system, making it more efficient and suitable for this scenario.
- C. Incorrect.
Virtual Routing and Forwarding (VRF) is a network virtualization technique for creating isolated routing tables and is not relevant to application instances.
- D. Incorrect.
Dedicated physical servers for each application would not improve resource utilization or operational efficiency, as it increases hardware requirements and costs.