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LPI

117-102 · Question #243

What are reverse DNS entries used for?

The correct answer is C. Reverse DNS provides the hostname for a particular numeric IP address. See the full explanation below for the reasoning.

Question

What are reverse DNS entries used for?

Options

  • AReverse DNS enable diagnostic commands like traceroute to work.
  • BReverse DNS gives you information about the owner of the DNS entry.
  • CReverse DNS provides the hostname for a particular numeric IP address.
  • DReverse DNS provides geographical information about the DNS net location.

How the community answered

(53 responses)
  • A
    17% (9)
  • B
    8% (4)
  • C
    72% (38)
  • D
    4% (2)

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