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      Question

      What is 'virtualization' in

      computing?
      A Creating high-quality 3D graphics for applications Correct Answer Incorrect Answer
      B Creating virtual versions of hardware resources Correct Answer Incorrect Answer
      C Converting physical documents into digital format Correct Answer Incorrect Answer
      D Increasing network bandwidth using compression Correct Answer Incorrect Answer
      E A programming technique for creating user interfaces Correct Answer Incorrect Answer

      Solution

      Virtualization uses software (hypervisor) to create multiple virtual machines (VMs) on a single physical machine, each with its own OS and resources. Benefits include hardware utilization, isolation, disaster recovery, and cost savings. Banks use virtualization for data centres. Hypervisors: VMware ESXi, Microsoft Hyper-V, KVM.

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