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AZ-802 · Networking · Networking | Implement on-premises and hybrid name resolution

Practice question 177 of 506 · easy

Which two pairings correctly describe DNS records? Select two answers.

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  1. A.AAAA: name to an IPv4 address only
  2. B.A: name to IPv4 address
  3. C.NS: encrypted signature for a record set
  4. D.PTR: reverse IP-to-name mapping
  5. E.CNAME: complete copy of another DNS zone
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✓ Correct answers

  • A: name to IPv4 address
  • PTR: reverse IP-to-name mapping

A maps IPv4 and PTR supports reverse names. AAAA maps IPv6, CNAME is an alias rather than a zone copy, and NS identifies authoritative name servers; DNSSEC RRSIG holds signatures.

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