Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

Last Updated: Dec 27, 2024
IT Exam Items Repository › Category: CCNA › Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

  • HTTP
  • FTP
  • DNS
  • SMTP

Explanation: Some applications may use both TCP and UDP. DNS uses UDP when clients send requests to a DNS server, and TCP when two DNS serves directly communicate.

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