Multiple choice technology

Domain Name System (DNS)

  1. 51

  2. 53

  3. 52

  4. 55

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Domain Name System (DNS) resolves domain names to IP addresses. DNS uses both TCP and UDP on port 53. UDP is used for standard queries due to its low overhead, while TCP is used for zone transfers and larger responses.