Q:

A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.)

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A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.)


  1. third
  2. fourth
  3. fifth
  4. none of the above

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(c).fifth

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