Question:
Which protocol uses port 53 by default?
Which protocol uses port 53 by default?
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Port 53 is reserved for DNS traffic, so any communication involving domain name resolution will use this port.
Updated On: Jun 16, 2025
- HTTP
- FTP
- DNS
- SMTP
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The Correct Option is C
Solution and Explanation
Port 53 is used by the Domain Name System (DNS) for both UDP and TCP communications. DNS is responsible for translating domain names into IP addresses and vice versa.
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