Multiple choice technology

What protocol is used by DNS name servers?

  1. TCP

  2. UDP

  3. SNMP

  4. IP
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DNS primarily uses UDP for queries because it's fast and lightweight. Most DNS queries fit in a single UDP packet, making it the standard protocol. TCP is only used for zone transfers or when responses are very large.

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