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All of the following are enabled by virtualisation EXCEPT

  • A.snapshotting a machine state for rollback
  • B.eliminating the need for physical hardware
  • C.running several isolated operating systems on one host
  • D.moving a running workload between physical machines

Answer: B

Hardware is still required and someone still runs it. The other three are the three capabilities that made virtualisation transform data centre operations. Hardware is still needed. Someone must run the machines beneath.

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