Q17 and Q18 answers are misleading. This is not how virtualization works at low level and the one about paravirtualization tell nothing specific to paravirtualization - it talks about the type of hypervisor making use of it instead of describing how different it is from hardware virtualization - where specific drivers are used to avoid performance hit specifically for I/O.
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Q17 and Q18 answers are misleading. This is not how virtualization works at low level and the one about paravirtualization tell nothing specific to paravirtualization - it talks about the type of hypervisor making use of it instead of describing how different it is from hardware virtualization - where specific drivers are used to avoid performance hit specifically for I/O.